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Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Jan. 03, 2014	Feb. 07, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 03, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Entity Registrant Name	M/A-COM Technology Solutions Holdings, Inc.
Entity Central Index Key	0001493594
Current Fiscal Year End Date	--09-27
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		46,941,142

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Current assets:
Cash and cash equivalents	$ 66,420	$ 110,446
Accounts receivable, net	66,468	62,961
Inventories	88,687	53,995
Income taxes receivable	5,625	915
Prepaid expenses and other current assets	17,237	6,153
Deferred income taxes	10,421	10,404
Total current assets	254,858	244,874
Property and equipment, net	47,353	31,563
Goodwill	14,697	3,990
Intangible assets, net	165,359	17,899
Deferred income taxes	64,499	404
Assets held for sale	8,950
Other assets	11,980	5,501
TOTAL ASSETS	567,696	304,231
Current liabilities:
Notes payable	6,960
Accounts payable	36,622	25,313
Accrued liabilities	40,547	16,164
Income taxes payable		20
Deferred revenue	9,280	9,030
Total current liabilities	93,409	50,527
Revolving credit facility	220,000
Common stock warrant liability	10,591	11,873
Other long-term liabilities	8,353	3,022
Deferred income taxes		1,985
Total liabilities	332,353	67,407
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock
Common stock	47	46
Additional paid-in capital	362,672	357,700
Treasury stock	(330)	(330)
Accumulated deficit	(126,924)	(120,425)
Accumulated other comprehensive loss	(122)	(167)
Total stockholders' equity	235,343	236,824
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 567,696	$ 304,231

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Income Statement [Abstract]
Revenue	$ 83,468	$ 75,014
Cost of revenue	46,803	42,749
Gross profit	36,665	32,265
Operating expenses:
Research and development	11,445	9,823
Selling, general and administrative	18,889	10,867
Contingent consideration		(172)
Restructuring charges	13,090
Total operating expenses	43,424	20,518
Income (loss) from operations	(6,759)	11,747
Other income (expense)
Warrant liability gain (expense)	1,282	(2,026)
Interest expense	(586)	(226)
Other income - related party	78	84
Total other income (expense)	774	(2,168)
Income (loss) before income taxes	(5,985)	9,579
Income tax provision (benefit)	(1,591)	3,471
Income (loss) from continuing operations	(4,394)	6,108
Loss from discontinued operations	(2,105)
Net income (loss)	$ (6,499)	$ 6,108
Basic income (loss) per share:
Income (loss) from continuing operations	$ (0.09)	$ 0.13
Loss from discontinued operations	(0.05)
Net income (loss) per share - basic	(0.14)	0.13
Diluted income (loss) per share:
Income (loss) from continuing operations	(0.09)	0.13
Loss from discontinued operations	(0.05)
Net income (loss) per share - diluted	$ (0.14)	$ 0.13
Shares used to compute income (loss) per common share:
Basic	46,517	45,511
Diluted	46,517	46,870

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Amounts Reclassified Out Of Accumulated Other Comprehensive Income Loss [Abstract]
Net income (loss)	$ (6,499)	$ 6,108
Foreign currency translation gain (loss)	45	(7)
Total comprehensive income (loss)	$ (6,454)	$ 6,101

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Publisher FASB
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+ Details

Condensed Consolidated Statements of Stockholders' Equity (Deficit) - 3 months ended Jan. 03, 2014 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Sep. 27, 2013	$ 236,824	$ 46	$ (330)	$ (167)	$ 357,700	$ (120,425)
Balance, Shares at Sep. 27, 2013		46,419	23
Issuance of common stock upon exercise of common stock options and employee stock purchases	$ 1,057	$ 1			1,056
Issuance of common stock upon exercise of common stock options and employee stock purchases, shares	113	196
Vesting of restricted common stock and units
Vesting of restricted common stock and units, Shares		4
Share-based compensation	1,845				1,845
Fair value of vested awards assumed in acquisition	1,491				1,491
Excess tax benefits	580				580
Foreign currency translation	45			45
Net income (loss)	(6,499)					(6,499)
Balance at Jan. 03, 2014	$ 235,343	$ 47	$ (330)	$ (122)	$ 362,672	$ (126,924)
Balance, Shares at Jan. 03, 2014		46,619	23

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (6,499)	$ 6,108
Adjustments to reconcile net income (loss) to net cash from operating activities net of effects from an acquisition:
Warrant liability (gain) expense	(1,282)	2,026
Depreciation and amortization	4,653	3,464
Contingent consideration		(172)
Deferred income taxes	20
Loss on disposal of property and equipment	59
Share-based compensation	1,845	1,263
Change in operating assets and liabilities (net of effects from an acquisition):
Payment of contingent consideration		(5,328)
Accounts receivable	9,225	2,042
Inventories	(2,275)	(1,170)
Prepaid expenses and other assets	(2,247)	817
Accounts payable	240	(2,690)
Accrued and other liabilities	5,142	(65)
Income taxes	(4,730)	2,672
Deferred revenue	250	75
Net cash from operating activities	4,401	9,042
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(2,136)	(1,580)
Acquisition of a business	(232,028)
Acquisition of intellectual property	(2,983)
Net cash from investing activities	(237,147)	(1,580)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	220,000
Financing costs	(53)	(126)
Proceeds from stock option exercises and employee stock purchases	1,057	845
Excess tax benefits	580	621
Payment of assumed debt	(32,864)
Repurchase of common stock		(77)
Payments of contingent consideration		(675)
Other		(4)
Net cash from financing activities	188,720	584
NET CHANGE IN CASH AND CASH EQUIVALENTS	(44,026)	8,046
CASH AND CASH EQUIVALENTS - Beginning of period	110,446	84,528
CASH AND CASH EQUIVALENTS - End of period	66,420	92,574
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	128	111
Cash paid for income taxes	$ 1,656	$ (25)

Description of Business, Basis of Presentation and Accounting	3 Months Ended
	Jan. 03, 2014
Accounting Policies [Abstract]
Description of Business, Basis of Presentation and Accounting	1. DESCRIPTION OF BUSINESS, BASIS OF PRESENTATION AND ACCOUNTING Description of Business—M/A-COM Technology Solutions Holdings, Inc. (MACOM or the Company) was incorporated in Delaware on March 25, 2009. MACOM is a provider of high-performance analog semiconductor solutions for use in wireless and wireline applications across the radio frequency (RF), microwave and millimeterwave spectrum and in high speed communications. Headquartered in Lowell, Massachusetts, MACOM has offices in North America, Europe, Asia and Australia. The Company has one reportable operating segment which designs, develops, manufactures and markets semiconductors and modules. Basis of Presentation—The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) and applicable rules and regulations of the Securities and Exchange Commission (SEC) regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 27, 2013 filed with the SEC on December 5, 2013. The Company’s fiscal year ends on the Friday closest to the last day of September. For fiscal years in which there are 53 weeks, the first quarter reporting period includes 14 weeks. Fiscal year 2013 was 52 weeks in length. Fiscal year 2014 is 53 weeks and the three months ended January 3, 2014 has 14 weeks. In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year 2014. The condensed consolidated financial statements include the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated. Use of Estimates—The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities during the reporting periods, the reported amounts of revenue and expenses during the reporting periods, and the disclosure of contingent assets and liabilities at the date of the financial statements. On an ongoing basis, the Company bases estimates and assumptions on historical experience, currently available information and various other factors that management believes to be reasonable under the circumstances. Actual results may differ materially from these estimates and assumptions. The accounting policies which our management believes involve the most significant application of judgment, or involve complex estimation include revenue recognition, inventory, warranty obligations, share-based compensation, income taxes and fair value measurements related to purchase accounting, contingent consideration liabilities and common stock warrant liabilities. Actual results could differ from those estimates, and material effects on our operating results and financial position may result. Recent Accounting Standards—Under the Jumpstart Our Business Startups Act (JOBS Act), the Company meets the definition of an emerging growth company. The Company has elected to avail itself of the extended transition period for complying with new or revised accounting standards pursuant to Section 107(b) of the JOBS Act.

Acquisition of Mindspeed Technologies, Inc.

3 Months Ended

Jan. 03, 2014

Business Combinations [Abstract]

Acquisition of Mindspeed Technologies, Inc.

2. ACQUISITION OF MINDSPEED TECHNOLOGIES, INC.

On December 18, 2013, MACOM completed the acquisition of Mindspeed Technologies, Inc. (Mindspeed), a supplier of semiconductor solutions for communications infrastructure applications headquartered in Newport Beach, California (Mindspeed Acquisition). The Company acquired Mindspeed to further its expansion into high-performance analog products.

MACOM completed the Mindspeed Acquisition through a cash tender offer (Offer) by Micro Merger Sub, Inc. (Merger Sub), a wholly-owned subsidiary of MACOM, for all of the outstanding shares of common stock, par value $0.01 per share, of Mindspeed (Shares) at a purchase price of $5.05 per share, net to the seller in cash, without interest, less any applicable withholding taxes (Offer Price). Immediately following the Offer, Merger Sub merged with and into Mindspeed, with Mindspeed surviving as a wholly-owned subsidiary of MACOM. At the effective time of the merger, each Share not acquired in the Offer (other than shares held by MACOM, Merger Sub and Mindspeed, and shares of restricted stock assumed by MACOM in the merger) was converted into the right to receive the Offer Price. MACOM funded the Mindspeed Acquisition through the use of available cash and borrowings under its revolving credit facility (see Note 6). The aggregate purchase price for the Shares, net of cash acquired, was $232.0 million and MACOM assumed $76.6 million of liabilities and incurred costs of $4.2 million expensed in the three months ended January 3, 2014.

The Mindspeed Acquisition was accounted for as a purchase and the operations of Mindspeed have been included in MACOM’s consolidated financial statements since the date of acquisition.

MACOM is recognizing all assets acquired and liabilities assumed based upon the fair value of such assets and liabilities measured as of the date of acquisition. The aggregate purchase price for Mindspeed is being allocated to the tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition. A preliminary allocation follows (in thousands):


Current assets	$	53,302
Intangible and other assets		246,088

Total assets acquired		299,390

Current liabilities		31,159
Debt		39,824
Other liabilities		5,595

Total liabilities assumed		76,578

Net assets acquired		222,812

Consideration:
Cash paid upon closing, net of cash acquired		232,028
Fair value of vested awards assumed in acquisition		1,491

Total consideration		233,519

Goodwill	$	10,707

In connection with the Mindspeed Acquisition, MACOM assumed all of the outstanding options and all unvested restricted stock awards under Mindspeed’s equity plans and converted such options and stock awards into equivalent MACOM awards under the same general terms and conditions as were in existence with adjustments made to shares and exercise prices, if any, pursuant to a formula stipulated in the terms of the acquisition. The fair value of the assumed options and stock awards was $4.8 million, of which $1.5 million relates to vested stock options and has been included in the purchase consideration and the remainder relates to unvested stock options and stock awards, which will be expensed as the remaining services are provided.

The components of the acquired intangible assets on a preliminary basis were as follows (in thousands):


Developed technology	$	116,930
Customer relationships		11,850
In-process research and development		17,910

	$	146,690

The overall weighted-average life of the identified intangible assets acquired in the acquisition is estimated to be seven years and the assets are being amortized over their estimated useful lives based upon the pattern over which the Company expects to receive the economic benefit from these assets.

The purchase accounting is preliminary and subject to completion, including the areas of taxation where a study of the potential utilization of acquired net operating losses is not yet complete, and certain fair value measurements, particularly the finalization of the valuation assessment of the acquired tangible and intangible assets. The adjustments arising from the completion of the outstanding matters may materially affect the preliminary purchase accounting and would be retroactively reflected in the financial statements as of January 3, 2014 and for the interim period then ended.

The following is a summary of Mindspeed revenue and earnings, excluding a restructuring charge and change-in-control payments aggregating $12.7 million, included in MACOM’s accompanying condensed consolidated statement of operations for the three months ended January 3, 2014 (in thousands):


Revenue	$	1,253
Loss from continuing operations before income taxes		(3,598	)

Upon closing the Mindspeed Acquisition, MACOM decided to divest the wireless business of Mindspeed. The operations of the wireless business are included in discontinued operations and the assets of the wireless business are presented as assets held for sale. The accompanying consolidated statement of operations for the three months ended January 3, 2014 includes the following operating results related to the business to be divested (in thousands):


Revenue	$	457
Loss before income taxes		(3,374	)
Benefit for income taxes		1,269
Loss from discontinued operations, net		(2,105	)

Supplemental Pro Forma Data

The pro forma statements of operations data for the three months ended January 3, 2014 below gives effect to the acquisition, described above, as if it had occurred at September 28, 2013. These amounts have been calculated after applying MACOM’s accounting policies and adjusting the results of Mindspeed to reflect the additional depreciation and amortization that would have been charged assuming the fair value adjustments to property, plant and equipment and intangible assets and additional interest expense on acquisition-related borrowings had been applied and incurred since September 28, 2013. The supplemental pro forma earnings for the three months ended January 3, 2014 were adjusted to exclude discontinued operations, acquisition costs of $4.2 million paid by MACOM, seller-related professional fees incurred by Mindspeed prior to the acquisition, amortization and impairments of intangible assets incurred by Mindspeed prior to the acquisition and $12.7 million of restructuring charges and change-in-control payments, as well as the impact of the step-up to fair value of the acquired inventory. This pro forma data is presented for informational purposes only and does not purport to be indicative of the Company’s future results of operations.


Revenue	$	102,924
Net loss		(8,078	)

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

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+ Details

Financial Instruments

3 Months Ended

Jan. 03, 2014

Fair Value Disclosures [Abstract]

Financial Instruments

3. FINANCIAL INSTRUMENTS

Financial liabilities measured at fair value on a recurring basis consist of the following (in thousands):


	January 3, 2014
	Fair Value		Active Markets for Identical Assets (Level 1)		Observable Inputs (Level 2)		Unobservable Inputs (Level 3)

Common stock warrant liability	$	10,591	$	—	$	—	$	10,591


	September 27, 2013
	Fair Value		Active Markets for Identical Assets (Level 1)		Observable Inputs (Level 2)		Unobservable Inputs (Level 3)

Common stock warrant liability	$	11,873	$	—	$	—	$	11,873

The changes in financial liabilities with inputs classified within Level 3 of the fair value hierarchy consist of the following (in thousands):


	Three Months Ended January 3, 2014
	September 27, 2013		Net Realized/ Unrealized Losses (Gains) Included in Earnings			Purchases and Issuances		Sales and Settlements			Transfers in and/or (out) of Level 3		January 3, 2014
Common stock warrant liability	$	11,873	$	(1,282	)	$	—	$	—		$	—	$	10,591


	Three Months Ended December 28, 2012
	September 28, 2012		Net Realized/ Unrealized Losses (Gains) Included in Earnings			Purchases and Issuances		Sales and Settlements			Transfers in and/or (out) of Level 3		December 28, 2012
Contingent consideration	$	6,580	$	(172	)	$	—	$	(6,003	)	$	—	$	405

Common stock warrant liability	$	7,561	$	2,026		$	—	$	—		$	—	$	9,587

The remaining obligation of $6.0 million pursuant to a contingent consideration arrangement was paid in the three months ended December 28, 2012.

As of January 3, 2014, the fair value of the common stock warrants has been estimated using a Black-Scholes option pricing model giving consideration to the quoted market price of the common stock on that date, an expected life of 7 years, expected volatility of 42.8% and risk free rate of 2.4%.

These estimates include significant judgments about potential future liquidity events and actual results could differ and could have an impact upon the values of the recorded liabilities. Any changes in the estimated fair values of the liabilities in the future will be reflected in the Company’s earnings and such changes could be material.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Inventories

3 Months Ended

Jan. 03, 2014

Inventory Disclosure [Abstract]

Inventories

4. INVENTORIES

Inventories consist of the following (in thousands):


	January 3, 2014		September 27, 2013
Raw materials	$	44,032	$	27,643
Work-in-process		5,054		5,740
Finished goods		39,601		20,612

Total	$	88,687	$	53,995

Property and Equipment

3 Months Ended

Jan. 03, 2014

Property Plant And Equipment [Abstract]

Property and Equipment

5. PROPERTY AND EQUIPMENT

Property and equipment consists of the following (in thousands):


	January 3, 2014			September 27, 2013
Machinery and equipment	$	60,501		$	46,781
Leasehold improvements		7,919			5,051
Furniture and fixtures		947			720
Construction in process		6,531			6,124
Computer equipment and software		7,592			6,352

Total property and equipment		83,490			65,028
Less accumulated depreciation and amortization		(36,137	)		(33,465	)

Property and equipment — net	$	47,353		$	31,563

Depreciation and amortization expense related to property and equipment for the three months ended January 3, 2014 and December 28, 2012 was $2.9 million and $2.2 million, respectively.

Debt	3 Months Ended
Debt	Jan. 03, 2014
Debt Disclosure [Abstract]
Debt	6. DEBT On September 26, 2013, the Company entered into an amended and restated loan agreement with a syndicate of lenders, which replaced its prior revolving credit facility, and provides for a revolving credit facility of up to $300.0 million that matures in September 2018. Borrowings under the revolving credit facility bear either a variable interest rate equal to (i) the greater of the lender’s prime rate, the federal funds effective rate plus 0.5%, or an adjusted LIBOR plus 1.0%, in each case plus either an additional 1.00%, 1.25% or 1.50%, subject to certain conditions, or (ii) an adjusted LIBOR rate plus either 2.00%, 2.25% or 2.50%, subject to certain conditions. The revolving credit facility is secured by a first priority lien on substantially all of the Company’s assets and requires compliance with certain financial and non-financial covenants, including restrictions on payments of dividends, incurrence of additional debt, levels of capital expenditures, amounts and types of investments, guarantees of debts and obligations, creation of liens, transactions with affiliates, sales or leases of assets, transfers of assets, entering new lines of business and entering into certain merger, consolidation or other reorganization transactions. On November 5, 2013, the Company entered into an amendment to its revolving credit facility, pursuant to which the Company’s revolving credit facility was amended to allow for certain indebtedness of Mindspeed to remain outstanding after the consummation of the Mindspeed Acquisition. In connection with the acquisition of Mindspeed, the Company drew down $220 million of indebtedness on the Revolver in December 2013, all of which remained outstanding as of January 3, 2014. As of January 3, 2014, $7.0 million of Mindspeed indebtedness remained outstanding, which the Company expects to pay in fiscal year 2014.

Intangible Assets

3 Months Ended

Jan. 03, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

7. INTANGIBLE ASSETS

Amortization expense related to intangible assets follows (in thousands):


	Three Months Ended
	January 3, 2014		December 28, 2012
Cost of revenue	$	1,247	$	474
Selling, general and administrative		366		315

Total	$	1,613	$	789

Intangible assets consists of the following (in thousands):


	January 3, 2014			September 27, 2013
Acquired technology	$	135,350		$	16,037
Customer relationships		24,250			12,400
In-process research and development		17,910			—
Trade name		3,400			3,400

Total		180,910			31,837
Less accumulated amortization		(15,551	)		(13,938	)

Intangible assets — net	$	165,359		$	17,899

A summary of the activity in intangible assets and goodwill follows (in thousands):


	Total		Acquired Technology		Customer Relationships		In-Process Research and Development		Trade Name		Goodwill
Balance- September 27, 2013	$	35,827	$	16,037	$	12,400	$	—	$	3,400	$	3,990
Intangible assets acquired in Mindspeed Acquisition		157,397		116,930		11,850		17,910		—		10,707
Other intangibles purchased		2,383		2,383		—		—		—		—

Balance - January 3, 2014	$	195,607	$	135,350	$	24,250	$	17,910	$	3,400	$	14,697

The trade name and in-process research and development (IPR&D) are indefinite-lived intangible assets. During development, IPR&D is not subject to amortization and is tested for impairment annually or more frequently if events or changes in circumstances indicate that the asset might be impaired. The impairment test consists of a comparison of the fair value to its carrying amount. If the carrying value exceeds its fair value, an impairment loss is recognized in an amount equal to that excess. Once an IPR&D project is complete, it becomes a definite long-lived intangible asset and is evaluated for impairment in accordance with the Company’s policy for long-lived assets.

Accumulated amortization for the acquired technology and customer relationships was $9.5 million and $6.1 million, respectively, as of January 3, 2014 and $8.3 million and $5.6 million, respectively, as of September 27, 2013.

Estimated amortization of the intangible assets, subject to the completion of the purchase price allocation for the Mindspeed Acquisition in future fiscal years as of January 3, 2014 (in thousands):


2014 (rest of fiscal year)	$	19,841
2015		24,543
2016		22,140
2017		20,736
2018		16,823
Thereafter		39,966

Total	$	144,049

Stockholder's Equity	3 Months Ended
Stockholder's Equity	Jan. 03, 2014
Equity [Abstract]
Stockholder's Equity	8. STOCKHOLDER’S EQUITY The Company has authorized 10 million shares of $0.001 par value preferred stock and 300 million shares of $0.001 par value common stock as of January 3, 2014. Outstanding shares of our common stock as of January 3, 2014 and September 27, 2013 presented in the accompanying condensed consolidated statements of stockholders’ equity exclude 318,000 and 74,000 unvested shares of restricted common stock, respectively, issued as compensation to employees that are subject to forfeiture.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph d
-Article 4

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Article 4

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Income (Loss) Per Share

3 Months Ended

Jan. 03, 2014

Earnings Per Share [Abstract]

Income (Loss) Per Share

9. INCOME (LOSS) PER SHARE

Basic net income (loss) per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of common shares and, if dilutive, potential common shares outstanding during the period. The Company’s potential dilutive common shares consist of common shares issuable upon the exercise of warrants, stock options and vesting of restricted stock units. The dilutive effect of outstanding stock options is reflected in diluted earnings per share by application of the treasury stock method.

The following table sets forth the computation for basic and diluted net income per share of common stock (in thousands, except per share data):


	Three Months Ended
	January 3, 2014			December 28, 2012
Numerator:
Net income (loss)	$	(6,499	)	$	6,108


Denominator:
Weighted average common shares outstanding-basic		46,517			45,511
Dilutive effect of options and warrants		—			1,359

Weighted average common shares outstanding-diluted		46,517			46,870


Common stock income (loss) per share:
Basic	$	(0.14	)	$	0.13

Diluted	$	(0.14	)	$	0.13

The table above excludes the effects of shares of common stock issuable upon exercise of stock options and warrants for the three months ended January 3, 2014 as the inclusion of which would be antidilutive.

Commitments And Contingencies	3 Months Ended
Commitments And Contingencies	Jan. 03, 2014
Commitments And Contingencies Disclosure [Abstract]
Commitments And Contingencies	10. COMMITMENTS AND CONTINGENCIES Purchase Commitments—As of January 3, 2014 and September 27, 2013, the Company had outstanding non-cancelable purchase commitments aggregating $3.7 million and $4.4 million, respectively, pursuant to inventory supply arrangements. The Company has a long term technology licensing and transfer commitment that calls for remaining potential payments by the Company of up to $5.6 million through July 2016. Litigation—The Company is periodically subject to legal proceedings, claims and contingencies arising in the ordinary course of business. CSR Matter. In January 2013, CSR Technology Inc. (“CSR”) filed a complaint against us in the Massachusetts Superior Court for Suffolk County alleging breach of contract, breach of the implied covenant of good faith and fair dealing, misrepresentation, deceptive business practices and unfair competition, all relating to our purported failure to honor an alleged minimum purchase commitment contract with respect to certain semiconductor chips previously supplied by CSR for use in our automotive module product. The complaint claims alleged damages of $2.2 million and asks for attorney’s fees and other remedies. We filed an answer to the complaint on January 28, 2013. The parties are proceeding with discovery and document production. We intend to continue to defend the lawsuit vigorously. Mindspeed Tender Offer Litigation in Delaware and California. Following our November 2013 announcement of the execution of a definitive agreement between us and Mindspeed Technologies, Inc. (“Mindspeed”) contemplating a tender offer by us for all outstanding shares of common stock of Mindspeed and thereafter a merger with Mindspeed (“Merger”), a number of plaintiffs filed purported class action lawsuits against Mindspeed, its directors, our merger subsidiary and us in either the Delaware Court of Chancery or the California Superior Court for Orange County. Those cases were captioned Marchese v. Mindspeed Technologies, Inc., et al., Case No. 30-2013-00686181-CU-BT-CXC (Cal. Super. Ct., Orange Cnty., Nov. 7, 2013) (the “Marchese Action”); Iacobellis v. Decker, et al., Case No. 30-2013-00686796-CU-SL-CXC (Cal. Super. Ct., Orange Cnty., Nov. 7, 2013); Pogal v. Mindspeed Technologies, Inc., et al., Case No. 9076-VCN (Del. Ch. Ct. Nov. 12, 2013); Hoffman v. Mindspeed Technologies, Inc., et al., Case No. 30-2013-00687029-CU-SL-CXC (Cal. Super. Ct., Orange Cnty., Nov. 12, 2013); Swain v. Mindspeed Technologies, Inc., et al., Case No. 30-2013-00687498-CU-SL-CXC (Cal. Super. Ct., Orange Cnty., Nov. 12, 2013); Miller v. Mindspeed Technologies, Inc., et al., Case No. 30-2013-00687951-CU-BT-CXC (Cal. Super. Ct., Orange Cnty., Nov. 13, 2013); Durand v. Decker, et. al., Case No. 9080 (Del. Ch. Ct. Nov. 14, 2013); Tassa v. Mindspeed Technologies, Inc., et al., Case No. 9096 (Del. Ch. Ct. Nov. 15, 2013); Feuerstein v. Mindspeed Technologies, Inc., et al., Case No. 9101 (Del. Ch. Ct. Nov. 18, 2013); Hoffman v. Mindspeed Technologies, Inc., et al., Case No. 9105 (Del. Ch. Ct. Nov. 19, 2013) (the “Hoffman Action”); and Vinciguerra v. Mindspeed Technologies, Inc., et al., Case No. 9107 (Del. Ch. Ct. Nov. 20, 2013). The complaints allege, generally, that the Mindspeed director defendants breached their fiduciary duties to Mindspeed stockholders, and that the other defendants aided and abetted such breaches, by seeking to sell Mindspeed through an allegedly defective process, for an unfair price, and on unfair terms. The lawsuits seek, among other things, equitable relief that would enjoin the consummation of the proposed Merger, rescission of the proposed Merger (to the extent the proposed Merger has already been consummated), damages, and attorneys’ fees and costs. Further Discussion of Delaware Tender Offer Litigation. On November 22, 2013, an amended complaint was filed in the Hoffman Action pending in the Delaware Court of Chancery. The amended complaint includes similar allegations to the original complaint, along with claims that the Mindspeed Schedule 14D-9 filed in connection with the Merger included misstatements or omissions of material facts. On November 25, 2013, a motion for preliminary injunction was filed in the Delaware Court of Chancery in the Hoffman Action. On December 3, 2013, all of the complaints filed in the Delaware Court of Chancery were consolidated (the “Delaware Actions”). On December 4, 2013, the Delaware Court of Chancery set a schedule for the briefing of the preliminary injunction motion in the Delaware Actions and a hearing was scheduled for December 11, 2013. On December 6, 2013, plaintiffs in the Delaware Actions filed their brief in support of a motion to enjoin the proposed Merger. While the Defendants deny the allegations made in the lawsuits and maintain that they have committed no wrongdoing whatsoever, to permit the timely consummation of the Merger, and without admitting the validity of any allegations made in the lawsuits, the Defendants concluded that it was desirable that the Delaware Actions be resolved. On December 9, 2013, the Defendants’ and plaintiffs’ counsel in the Delaware Actions entered into a memorandum of understanding to settle the Delaware Actions and to resolve all allegations which were brought or could have been brought by the purported class of Mindspeed shareholder plaintiffs. The proposed settlement, which is subject to confirmatory discovery and court approval, provides for the release of all claims against the Defendants relating to the proposed Merger. In exchange for the releases, Mindspeed agreed to provide additional supplemental disclosures concerning the tender offer as reflected in Amendment No. 3 to the Schedule 14D-9 filed with the SEC on December 10, 2013, which supplement the information provided in the Schedule 14D-9. There can be no assurance that the settlement will be finalized or that the Delaware Court of Chancery will approve the settlement. After the parties entered into the memorandum of understanding, the motion for a preliminary injunction was withdrawn and the hearing vacated in the Delaware Actions. The Merger closed on December 18, 2013. Further Discussion of California Tender Offer Litigation. On November 27, 2013, the Defendants and the plaintiffs in each of five actions filed in the California Superior Court for Orange County signed a stipulation to consolidate those actions into the Marchese Action. On January 8, 2014, the Court entered the consolidation order. On December 5, 2013, an amended complaint was filed in the Marchese Action. The amended complaint includes similar allegations to the original complaint along with claims that the Mindspeed Schedule 14D-9 filed in connection with the Merger included misstatements or omissions of material facts. On December 5, 2013, plaintiffs filed an ex parte application for an order shortening time in which to bring a motion for expedited discovery, which was denied on December 6, 2013. On December 30, 2013, the Court in the Marchese Action entered an Initial Case Management Order. Among other things, the Initial Case Management Order sets an Initial Case Management Conference for February 4, 2014 and stays all discovery and motion practice in the Marchese Action until that date. On January 6, 2014, the defendants in the Marchese Action filed notices of special appearance and intent to file, or join in, a motion to stay or dismiss the amended complaint in the Marchese Action. On February 3, 2014, the Court rescheduled the Initial Case Management Conference to April 15, 2014 and extended the stay of all discovery and motion practice until that later date as well. The Company intends to continue to defend the aforementioned lawsuits vigorously. The Company does not expect that the ultimate cost to resolve these matters will have a material effect on the consolidated financial statements.

Restructurings

3 Months Ended

Jan. 03, 2014

Restructuring And Related Activities [Abstract]

Restructurings

11. RESTRUCTURINGS

The Company has periodically implemented restructuring actions in connection broader plans to reduce staffing, reduce the its internal manufacturing footprint and, generally, reduce operating costs. The restructuring expenses relate to direct and incremental costs related to change-in-control obligations of $11.5 million, severance and outplacement fees for the terminated employees. The following is a summary of the costs incurred and remaining balances included in accrued expenses related to restructuring actions taken (in thousands):


Balance-September 27, 2013	$	145
Current period charges – continuing operations		13,090
Payments		(2,198	)

Balance-January 3, 2014	$	11,037

In the three months ended January 3, 2014, the Company implemented a restructuring plan to reduce manufacturing and operating costs of the Mindspeed operations through a reduction of staffing. This restructuring plan resulted in a charge to continuing operations, representing the initial cost of the actions that will continue into the second and possibly third quarters of fiscal year 2014. These costs are expected to be paid through fiscal year 2014.

Share-Based Compensation

3 Months Ended

Jan. 03, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-Based Compensation

12. SHARE-BASED COMPENSATION

The following table presents the effects of share-based compensation expense related to share-based awards to employees and non-employees in the Company’s condensed consolidated statements of operations during the periods presented (in thousands):


	Three Months Ended
	January 3, 2014		December 28, 2012
Cost of revenue	$	283	$	317
Research and development		484		372
Selling, general and administrative		1,078		934

Total stock-based compensation expense	$	1,845	$	1,623

Effective September 28, 2013, pursuant to an “evergreen” provision, the number of shares of common stock available for issuance under the 2012 Omnibus Incentive Plan (2012 Plan) and the 2012 Employee Stock Purchase Plan (ESPP) were increased by 1.9 million shares and 0.6 million shares, respectively. As of January 3, 2014, MACOM had 11.0 million shares available for future grants under the 2012 Plan.

Stock option activity for the three months ended January 3, 2014, is as follows (in thousands, except per share amounts):


	Number of Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding-September 27, 2013		841		$	1.60		6.2	$	13,131
Assumed in Mindspeed Acquisition		439			24.50
Granted		—			—
Exercised		(113	)		1.01
Forfeited, canceled or expired		(58	)		38.91

Outstanding-January 3, 2014		1,109			8.82		5.2		10,628

Options vested and expected to vest as of January 3, 2014		999			8.82		5.2		9,565

Options vested and exercisable as of January 3, 2014		949			9.20		5.0		8,876

Aggregate intrinsic value represents the difference between the Company’s closing stock price on January 3, 2014 and the exercise price of outstanding, in-the-money options. The total intrinsic value of options exercised was $1.8 million for the three months ended January 3, 2014. As of January 3, 2014, total unrecognized compensation cost, excluding the impact of the assumed Mindspeed stock options, adjusted for estimated forfeitures, related to unvested stock options was $243,000, which is expected to be recognized over the next 1.0 years.

A summary of restricted stock and restricted stock units activity for the three months ended January 3, 2014, is as follows (in thousands):


	Number of Shares			Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Unvested-September 27, 2013		1,129			2.9	$	18,148
Assumed in Mindspeed Acquisition		285
Granted		76
Vested and released		(5	)
Forfeited, canceled or expired		(4	)

Issued and unvested-January 3, 2014		1,481			2.4		23,794

Shares expected to vest-January 3, 2014		1,388			2.4		22,311

The total intrinsic value of restricted stock awards vesting was $0.1 million for the three months ended January 3, 2014. As of January 3, 2014, total unrecognized compensation cost, excluding the impact of the assumed Mindspeed stock awards, adjusted for estimated forfeitures, related to restricted stock and units was $12.1 million, which is expected to be recognized over the next 2.4 years.

As of January 3, 2014, total unrecognized compensation cost related to the ESPP was not material.

Certain of the share-based awards granted and outstanding as of January 3, 2014 are subject to accelerated vesting upon a sale of the Company or similar changes in control.

There were no material modifications to stock-based awards during the periods presented.

Income Taxes	3 Months Ended
Income Taxes	Jan. 03, 2014
Income Tax Disclosure [Abstract]
Income Taxes	13. INCOME TAXES The Company is subject to income tax in the United States as well as other tax jurisdictions in which it conducts business. Earnings from non-U.S. activities are subject to local country income tax and may also be subject to current U.S. income tax. For interim periods, the Company records a tax provision or benefit based upon the estimated effective tax rate expected for the full fiscal year, adjusted for material discrete taxation matters arising during the interim periods. The difference between the U.S. federal statutory income tax rate of 35% and the Company’s effective income tax rates for the three months ended January 3, 2014 and December 28, 2012 was primarily impacted in both periods by changes in fair values of the common stock warrant liability which is not deductible nor taxable for tax purposes, income taxed in foreign jurisdictions at generally lower tax rates partially offset by U.S. state income taxes, and, for the three months ended January 3, 2014, by nondeductible expenses for tax purposes resulting from the Mindspeed Acquisition.

Related Party Transactions	3 Months Ended
Related Party Transactions	Jan. 03, 2014
Related Party Transactions [Abstract]
Related Party Transactions	14. RELATED PARTY TRANSACTIONS GaAs Labs, LLC (GaAs Labs), a stockholder and an affiliate of directors and majority stockholders John and Susan Ocampo, was formerly engaged to provide management services pursuant to an agreement entered into in fiscal year 2008 and amended in December 2010. In April 2012, the Company entered into an agreement with GaAs Labs whereby GaAs Labs pays the Company for administrative and business development services provided to GaAs Labs on a time and materials basis. There are no minimum service requirements or payment obligations and the agreement may be terminated by either party with 30 days notice. For the three months ended January 3, 2014 and December 28, 2012, the Company billed GaAs Labs $78,000 and $84,000, respectively, for services provided pursuant to this agreement and has recorded these amounts as other income in the accompanying consolidated statements of operations.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References + Details

Supplemental Cash Flow Information	3 Months Ended
Supplemental Cash Flow Information	Jan. 03, 2014
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Information	15. SUPPLEMENTAL CASH FLOW INFORMATION As of January 3, 2014 and December 28, 2012, the Company had $462,000 and $1.5 million, respectively, in unpaid amounts related to purchases of property and equipment included in accounts payable and accrued liabilities. These amounts have been excluded from the payments for purchases of property and equipment in the accompanying condensed consolidated statements of cash flows until paid.

Geographic and Significant Customer Information

3 Months Ended

Jan. 03, 2014

Segment Reporting [Abstract]

Geographic and Significant Customer Information

16. GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION

Information about the Company’s operations in different geographic regions, based upon customer locations, is presented below (in thousands):


	Three Months Ended
Revenue by Geographic Region	January 3, 2014		December 28, 2012
United States	$	53,440	$	44,440
International (1)		30,028		30,574

Total	$	83,468	$	75,014


	As of
Long-Lived Assets by Geographic Region	January 3, 2014		September 27, 2013
United States	$	39,859	$	25,054
International (2)		7,494		6,509

Total	$	47,353	$	31,563

(1)	No international countries represented greater than 10% of total revenue during the periods presented.

(2)	No international country or region represented greater than 10% of the total net long-lived assets as of the dates presented, other than the Asia-Pacific region that represented 12% of total long-lived assets as of September 27, 2013.

The following is a summary of customer concentrations as a percentage of total sales and accounts receivable as of and for the periods presented:


	Three Months Ended
Revenue	January 3, 2014			December 28, 2012
Customer A		23	%		16	%
Customer B		24	%		26	%

	As of
Accounts Receivable	January 3, 2014			September 27, 2013
Customer A		23	%		18	%
Customer B		15	%		21	%

No other customer represented more than 10% of revenue or accounts receivable in the periods presented in the accompanying consolidated financial statements. For the three months ended January 3, 2014 and December 28, 2012, ten customers represented 64% and 62% of total revenue, respectively.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

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+ Details

Description of Business, Basis of Presentation and Accounting (Policies)	3 Months Ended
	Jan. 03, 2014
Accounting Policies [Abstract]
Description of Business	Description of Business—M/A-COM Technology Solutions Holdings, Inc. (MACOM or the Company) was incorporated in Delaware on March 25, 2009. MACOM is a provider of high-performance analog semiconductor solutions for use in wireless and wireline applications across the radio frequency (RF), microwave and millimeterwave spectrum and in high speed communications. Headquartered in Lowell, Massachusetts, MACOM has offices in North America, Europe, Asia and Australia. The Company has one reportable operating segment which designs, develops, manufactures and markets semiconductors and modules.
Basis of Presentation	Basis of Presentation—The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) and applicable rules and regulations of the Securities and Exchange Commission (SEC) regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 27, 2013 filed with the SEC on December 5, 2013. The Company’s fiscal year ends on the Friday closest to the last day of September. For fiscal years in which there are 53 weeks, the first quarter reporting period includes 14 weeks. Fiscal year 2013 was 52 weeks in length. Fiscal year 2014 is 53 weeks and the three months ended January 3, 2014 has 14 weeks. In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year 2014. The condensed consolidated financial statements include the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated.
Use of Estimates	Use of Estimates—The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities during the reporting periods, the reported amounts of revenue and expenses during the reporting periods, and the disclosure of contingent assets and liabilities at the date of the financial statements. On an ongoing basis, the Company bases estimates and assumptions on historical experience, currently available information and various other factors that management believes to be reasonable under the circumstances. Actual results may differ materially from these estimates and assumptions. The accounting policies which our management believes involve the most significant application of judgment, or involve complex estimation include revenue recognition, inventory, warranty obligations, share-based compensation, income taxes and fair value measurements related to purchase accounting, contingent consideration liabilities and common stock warrant liabilities. Actual results could differ from those estimates, and material effects on our operating results and financial position may result.
Recent Accounting Standards	Recent Accounting Standards—Under the Jumpstart Our Business Startups Act (JOBS Act), the Company meets the definition of an emerging growth company. The Company has elected to avail itself of the extended transition period for complying with new or revised accounting standards pursuant to Section 107(b) of the JOBS Act.

Acquisition of Mindspeed Technologies, Inc. (Tables)

3 Months Ended

Jan. 03, 2014

Business Combinations [Abstract]

Schedule of Aggregate Purchase Price Allocated to Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed

The aggregate purchase price for Mindspeed is being allocated to the tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition. A preliminary allocation follows (in thousands):


Current assets	$	53,302
Intangible and other assets		246,088
Total assets acquired		299,390

Current liabilities		31,159
Debt		39,824
Other liabilities		5,595
Total liabilities assumed		76,578

Net assets acquired		222,812

Consideration:
Cash paid upon closing, net of cash acquired		232,028
Fair value of vested awards assumed in acquisition		1,491

Total consideration		233,519

Goodwill	$	10,707

Components of Acquired Intangible Assets on a Preliminary Basis

The components of the acquired intangible assets on a preliminary basis were as follows (in thousands):


Developed technology	$	116,930
Customer relationships		11,850
In-process research and development		17,910

	$	146,690

Summary of Revenue and Earnings


Revenue	$	1,253
Loss from continuing operations before income taxes		(3,598	)

Consolidated Statement of Operations Related to Divested Business

The accompanying consolidated statement of operations for the three months ended January 3, 2014 include the following operating results related to the business to be divested (in thousands):


Revenue	$	457
Loss before income taxes		(3,374	)
Benefit for income taxes		1,269
Loss from discontinued operations, net		(2,105	)

Summary of Supplemental Pro Forma Data

This pro forma data is presented for informational purposes only and does not purport to be indicative of the Company’s future results of operations.


Revenue	$	102,924
Net loss		(8,078	)

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

+ References + Details

Financial Instruments (Tables)

3 Months Ended

Jan. 03, 2014

Fair Value Disclosures [Abstract]

Financial Liabilities Measured at Fair Value on Recurring Basis

Financial liabilities measured at fair value on a recurring basis consist of the following (in thousands):


	January 3, 2014
	Fair Value		Active Markets for Identical Assets (Level 1)		Observable Inputs (Level 2)		Unobservable Inputs (Level 3)

Common stock warrant liability	$	10,591	$	—	$	—	$	10,591


	September 27, 2013
	Fair Value		Active Markets for Identical Assets (Level 1)		Observable Inputs (Level 2)		Unobservable Inputs (Level 3)

Common stock warrant liability	$	11,873	$	—	$	—	$	11,873

Changes in Financial Liabilities With Inputs Classified Within Level 3 of Fair Value

The changes in financial liabilities with inputs classified within Level 3 of the fair value hierarchy consist of the following (in thousands):


	Three Months Ended January 3, 2014
	September 27, 2013		Net Realized/ Unrealized Losses (Gains) Included in Earnings			Purchases and Issuances		Sales and Settlements			Transfers in and/or (out) of Level 3		January 3, 2014
Common stock warrant liability	$	11,873	$	(1,282	)	$	—	$	—		$	—	$	10,591


	Three Months Ended December 28, 2012
	September 28, 2012		Net Realized/ Unrealized Losses (Gains) Included in Earnings			Purchases and Issuances		Sales and Settlements			Transfers in and/or (out) of Level 3		December 28, 2012
Contingent consideration	$	6,580	$	(172	)	$	—	$	(6,003	)	$	—	$	405

Common stock warrant liability	$	7,561	$	2,026		$	—	$	—		$	—	$	9,587

Inventories (Tables)

3 Months Ended

Jan. 03, 2014

Inventory Disclosure [Abstract]

Components of Inventories

Inventories consist of the following (in thousands):


	January 3, 2014		September 27, 2013
Raw materials	$	44,032	$	27,643
Work-in-process		5,054		5,740
Finished goods		39,601		20,612

Total	$	88,687	$	53,995

Property and Equipment (Tables)

3 Months Ended

Jan. 03, 2014

Property Plant And Equipment [Abstract]

Components of Property and Equipment

Property and equipment consists of the following (in thousands):


	January 3, 2014			September 27, 2013
Machinery and equipment	$	60,501		$	46,781
Leasehold improvements		7,919			5,051
Furniture and fixtures		947			720
Construction in process		6,531			6,124
Computer equipment and software		7,592			6,352

Total property and equipment		83,490			65,028
Less accumulated depreciation and amortization		(36,137	)		(33,465	)

Property and equipment — net	$	47,353		$	31,563

Intangible Assets (Tables)

3 Months Ended

Jan. 03, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Amortization Expense of Intangible Assets

Amortization expense related to intangible assets follows (in thousands):


	Three Months Ended
	January 3, 2014		December 28, 2012
Cost of revenue	$	1,247	$	474
Selling, general and administrative		366		315

Total	$	1,613	$	789

Summary of Intangible Assets

Intangible assets consists of the following (in thousands):


	January 3, 2014			September 27, 2013
Acquired technology	$	135,350		$	16,037
Customer relationships		24,250			12,400
In-process research and development		17,910			—
Trade name		3,400			3,400

Total		180,910			31,837
Less accumulated amortization		(15,551	)		(13,938	)

Intangible assets — net	$	165,359		$	17,899

Summary of the Activity in Intangible Assets and Goodwill

A summary of the activity in intangible assets and goodwill follows (in thousands):


	Total		Acquired Technology		Customer Relationships		In-Process Research and Development		Trade Name		Goodwill
Balance- September 27, 2013	$	35,827	$	16,037	$	12,400	$	—	$	3,400	$	3,990
Intangible assets acquired in Mindspeed Acquisition		157,397		116,930		11,850		17,910		—		10,707
Other intangibles purchased		2,383		2,383		—		—		—		—

Balance - January 3, 2014	$	195,607	$	135,350	$	24,250	$	17,910	$	3,400	$	14,697

Summary of Estimated Amortization of Intangible Assets in Future Fiscal Years

Estimated amortization of the intangible assets, subject to the completion of the purchase price allocation for the Mindspeed Acquisition in future fiscal years as of January 3, 2014 (in thousands):


2014 (rest of fiscal year)	$	19,841
2015		24,543
2016		22,140
2017		20,736
2018		16,823
Thereafter		39,966

Total	$	144,049

Income (Loss) Per Share (Tables)

3 Months Ended

Jan. 03, 2014

Earnings Per Share [Abstract]

Computation for Basic and Diluted Net Income Per Share of Common Stock

The following table sets forth the computation for basic and diluted net income per share of common stock (in thousands, except per share data):


	Three Months Ended
	January 3, 2014			December 28, 2012
Numerator:
Net income (loss)	$	(6,499	)	$	6,108


Denominator:
Weighted average common shares outstanding-basic		46,517			45,511
Dilutive effect of options and warrants		—			1,359

Weighted average common shares outstanding-diluted		46,517			46,870


Common stock income (loss) per share:
Basic	$	(0.14	)	$	0.13

Diluted	$	(0.14	)	$	0.13

Restructurings (Tables)

3 Months Ended

Jan. 03, 2014

Restructuring And Related Activities [Abstract]

Summary of Costs Related to Restructuring Actions

The following is a summary of the costs incurred and remaining balances included in accrued expenses related to restructuring actions taken (in thousands):


Balance-September 27, 2013	$	145
Current period charges – continuing operations		13,090
Payments		(2,198	)

Balance-January 3, 2014	$	11,037

Share-Based Compensation (Tables)

3 Months Ended

Jan. 03, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Nonemployees


	Three Months Ended
	January 3, 2014		December 28, 2012
Cost of revenue	$	283	$	317
Research and development		484		372
Selling, general and administrative		1,078		934

Total stock-based compensation expense	$	1,845	$	1,623

Summary of Stock Option Activity

Stock option activity for the three months ended January 3, 2014, is as follows (in thousands, except per share amounts):


	Number of Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding-September 27, 2013		841		$	1.60		6.2	$	13,131
Assumed in Mindspeed Acquisition		439			24.50
Granted		—			—
Exercised		(113	)		1.01
Forfeited, canceled or expired		(58	)		38.91

Outstanding-January 3, 2014		1,109			8.82		5.2		10,628

Options vested and expected to vest as of January 3, 2014		999			8.82		5.2		9,565

Options vested and exercisable as of January 3, 2014		949			9.20		5.0		8,876

Summary of Restricted Stock and Restricted StockUnits Activity

A summary of restricted stock and restricted stock units activity for the three months ended January 3, 2014, is as follows (in thousands):


	Number of Shares			Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Unvested-September 27, 2013		1,129			2.9	$	18,148
Assumed in Mindspeed Acquisition		285
Granted		76
Vested and released		(5	)
Forfeited, canceled or expired		(4	)

Issued and unvested-January 3, 2014		1,481			2.4		23,794

Shares expected to vest-January 3, 2014		1,388			2.4		22,311

Geographic and Significant Customer Information (Tables)

3 Months Ended

Jan. 03, 2014

Segment Reporting [Abstract]

Summary of Different Geographic Regions

Information about the Company’s operations in different geographic regions, based upon customer locations, is presented below (in thousands):


	Three Months Ended
Revenue by Geographic Region	January 3, 2014		December 28, 2012
United States	$	53,440	$	44,440
International (1)		30,028		30,574

Total	$	83,468	$	75,014


	As of
Long-Lived Assets by Geographic Region	January 3, 2014		September 27, 2013
United States	$	39,859	$	25,054
International (2)		7,494		6,509

Total	$	47,353	$	31,563

(1)	No international countries represented greater than 10% of total revenue during the periods presented.

(2)	No international country or region represented greater than 10% of the total net long-lived assets as of the dates presented, other than the Asia-Pacific region that represented 12% of total long-lived assets as of September 27, 2013.

Summary of Customer Concentrations as Percentage of Total Sales and Accounts Receivable

The following is a summary of customer concentrations as a percentage of total sales and accounts receivable as of and for the periods presented:


	Three Months Ended
Revenue	January 3, 2014			December 28, 2012
Customer A		23	%		16	%
Customer B		24	%		26	%

	As of
Accounts Receivable	January 3, 2014			September 27, 2013
Customer A		23	%		18	%
Customer B		15	%		21	%

Description of Business, Basis of Presentation and Accounting - Additional Information (Detail) - Segment		3 Months Ended	12 Months Ended
	Jan. 03, 2014	Jan. 03, 2014	Sep. 27, 2013
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of reportable operating segment		1
Reporting period description		For fiscal years in which there are 53 weeks, the first quarter reporting period includes 14 weeks.
Number of weeks in period	53 weeks	14 weeks	52 weeks

Acquisition of Mindspeed Technologies, Inc. - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Dec. 18, 2013	Jan. 03, 2014	Dec. 28, 2012
Business Acquisition [Line Items]
Outstanding shares of common stock, par value		$ 0.001
Purchase price of acquisition		$ 232,028
Aggregate amount of restructuring charge and change-in-control payments		13,090
Mindspeed [Member]
Business Acquisition [Line Items]
Outstanding shares of common stock, par value	$ 0.01
Outstanding shares of common stock at a purchase price per share	$ 5.05
Purchase price of acquisition	$ 232,028	232,000
Liabilities and incurred costs	$ 76,578	76,600
Business combination acquisition related costs		4,200
The fair value of the assumed options and stock awards		4,800
Stock option vested		$ 1,500
Weighted-average life of identified intangible assets acquired		7 years
Aggregate amount of restructuring charge and change-in-control payments		$ 12,700
Acquisition costs of discontinued operations		$ 4,200

Acquisition of Mindspeed Technologies, Inc. - Schedule of Aggregate Purchase Price Allocated to Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands		3 Months Ended
	Dec. 18, 2013	Jan. 03, 2014	Sep. 27, 2013
Consideration:
Cash paid upon closing, net of cash acquired		$ 232,028
Goodwill		14,697	$ 3,990
Mindspeed [Member]
Loans At Acquisition Date [Line Items]
Current assets	$ 53,302
Intangible and other assets	246,088
Total assets acquired	299,390
Current liabilities	31,159
Debt	39,824
Other liabilities	5,595
Total liabilities assumed	76,578	76,600
Net assets acquired	222,812
Consideration:
Cash paid upon closing, net of cash acquired	232,028	$ 232,000
Fair value of vested awards assumed in acquisition	1,491
Total consideration	233,519
Goodwill	$ 10,707

Acquisition of Mindspeed Technologies, Inc. - Components of Acquired Intangible Assets (Detail) - USD ($) $ in Thousands		3 Months Ended
	Dec. 18, 2013	Jan. 03, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		$ 157,397
Mindspeed [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 146,690
Developed Technology [Member] \| Mindspeed [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	116,930
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		11,850
Customer Relationships [Member] \| Mindspeed [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	11,850
In-Process Research and Development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		$ 17,910
In-Process Research and Development [Member] \| Mindspeed [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 17,910

Acquisition of Mindspeed Technologies, Inc. - Summary of Revenue and Earnings (Detail) - Mindspeed [Member] $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($)
Business Acquisition [Line Items]
Revenue	$ 1,253
Loss from continuing operations before income taxes	$ (3,598)

Acquisition of Mindspeed Technologies, Inc. - Consolidated Statement of Operations Related to Divested Business (Detail) - Mindspeed [Member] $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 457
Loss before income taxes	(3,374)
Benefit for income taxes	1,269
Loss from discontinued operations, net	$ (2,105)

Acquisition of Mindspeed Technologies, Inc. - Summary of Supplemental Pro Forma Data (Detail) - Mindspeed [Member] $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($)
Business Acquisition [Line Items]
Revenue	$ 102,924
Net loss	$ (8,078)

Financial Instruments - Financial Liabilities Measured at Fair Value on Recurring Basis (Detail) - Common Stock Warrant Liability [Member] - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities measured at fair value on a recurring basis	$ 10,591	$ 11,873
Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities measured at fair value on a recurring basis
Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities measured at fair value on a recurring basis
Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial liabilities measured at fair value on a recurring basis	$ 10,591	$ 11,873

Financial Instruments - Changes in Financial Liabilities with Inputs Classified within Level 3 of Fair Value (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Common Stock Warrant Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Changes in financial liabilities with inputs classified within Level 3 of the fair value, beginning balance	$ 11,873	$ 7,561
Net Realized/ Unrealized Losses (Gains) Included in Earnings	(1,282)	2,026
Purchases and Issuances
Sales and Settlements
Transfers in and/or (out) of Level 3
Changes in financial liabilities with inputs classified within Level 3 of the fair value, ending balance	$ 10,591	9,587
Contingent Consideration [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Changes in financial liabilities with inputs classified within Level 3 of the fair value, beginning balance		6,580
Net Realized/ Unrealized Losses (Gains) Included in Earnings		(172)
Purchases and Issuances
Sales and Settlements		(6,003)
Transfers in and/or (out) of Level 3
Changes in financial liabilities with inputs classified within Level 3 of the fair value, ending balance		$ 405

Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Fair Value Disclosures [Abstract]
Contingent consideration paid		$ 6.0
Expected life of common stock warrants	7 years
Expected volatility	42.80%
Risk free rate	2.40%

Inventories - Components of Inventories (Detail) - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 44,032	$ 27,643
Work-in-process	5,054	5,740
Finished goods	39,601	20,612
Total	$ 88,687	$ 53,995

Property and Equipment - Components of Property and Equipment (Detail) - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 83,490	$ 65,028
Less accumulated depreciation and amortization	(36,137)	(33,465)
Property and equipment - net	47,353	31,563
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	60,501	46,781
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	7,919	5,051
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	947	720
Construction in Process [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	6,531	6,124
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 7,592	$ 6,352

Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Property Plant And Equipment Useful Life And Values [Abstract]
Depreciation and amortization expense	$ 2.9	$ 2.2

Debt - Additional Information (Detail) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended
	Jan. 03, 2014	Sep. 26, 2013	Dec. 31, 2013	Jan. 03, 2014
Debt Instrument [Line Items]
Indebtedness on the revolver drew down			$ 220,000	$ 220,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility maturity date		Sep. 30, 2018
Revolving credit facility maximum borrowing availability		$ 300,000
Revolving credit facility interest rate				Borrowings under the revolving credit facility bear either a variable interest rate equal to (i) the greater of the lender's prime rate, the federal funds effective rate plus 0.5%, or an adjusted LIBOR plus 1.0%, in each case plus either an additional 1.00%, 1.25% or 1.50%, subject to certain conditions, or (ii) an adjusted LIBOR rate plus either 2.00%, 2.25% or 2.50%, subject to certain conditions.
Revolving credit facility, LIBOR rate				Adjusted LIBOR plus 1.0%
Revolving credit facility federal funds effective rate				Federal funds effective rate plus 0.5%
Federal funds effective rate	0.50%			0.50%
LIBOR rate				1.00%
Revolving Credit Facility [Member] \| Interest Rate LIBOR One [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				1.00%
Revolving Credit Facility [Member] \| Interest Rate LIBOR Two [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				1.25%
Revolving Credit Facility [Member] \| Interest Rate LIBOR Three [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				1.50%
Revolving Credit Facility [Member] \| Interest Rate LIBOR Four [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				2.00%
Revolving Credit Facility [Member] \| Interest Rate LIBOR Five [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				2.25%
Revolving Credit Facility [Member] \| Interest Rate LIBOR Six [Member]
Debt Instrument [Line Items]
Adjusted LIBOR rate percentage				2.50%
Mindspeed [Member]
Debt Instrument [Line Items]
Indebtedness outstanding	$ 7,000			$ 7,000
Expected maturity date of debt outstanding	2014

Intangible Assets - Summary of Amortization Expense of Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Schedule Of Amortization Expenses Recognized [Line Items]
Total	$ 1,613	$ 789
Cost of Revenue [Member]
Schedule Of Amortization Expenses Recognized [Line Items]
Total	1,247	474
Selling, General and Administrative [Member]
Schedule Of Amortization Expenses Recognized [Line Items]
Total	$ 366	$ 315

Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 180,910	$ 31,837
Less accumulated amortization	(15,551)	(13,938)
Intangible assets - net	165,359	17,899
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	135,350	16,037
Less accumulated amortization	(9,500)	(8,300)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	24,250	12,400
Less accumulated amortization	(6,100)	(5,600)
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	17,910
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 3,400	$ 3,400

Intangible Assets - Summary of the Activity in Intangible Assets and Goodwill (Detail) $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($)
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013	$ 35,827
Intangible assets acquired in Mindspeed Acquisition	157,397
Other intangibles purchased	2,383
Balance - January 3, 2014	195,607
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013	16,037
Intangible assets acquired in Mindspeed Acquisition	116,930
Other intangibles purchased	2,383
Balance - January 3, 2014	135,350
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013	12,400
Intangible assets acquired in Mindspeed Acquisition	11,850
Other intangibles purchased
Balance - January 3, 2014	24,250
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013
Intangible assets acquired in Mindspeed Acquisition	17,910
Other intangibles purchased
Balance - January 3, 2014	17,910
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013	3,400
Intangible assets acquired in Mindspeed Acquisition
Other intangibles purchased
Balance - January 3, 2014	3,400
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Balance- September 27, 2013	3,990
Intangible assets acquired in Mindspeed Acquisition	10,707
Other intangibles purchased
Balance - January 3, 2014	$ 14,697

Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	Jan. 03, 2014	Sep. 27, 2013
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 15,551	$ 13,938
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	9,500	8,300
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 6,100	$ 5,600

Intangible Assets - Summary of Estimated Amortization of Intangible Assets in Future Fiscal Years (Detail) $ in Thousands	Jan. 03, 2014 USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]
2014 (rest of fiscal year)	$ 19,841
2015	24,543
2016	22,140
2017	20,736
2018	16,823
Thereafter	39,966
Amortizable intangible assets - net	$ 144,049

Stockholders' Equity - Additional Information (Detail) - $ / shares	Jan. 03, 2014	Sep. 27, 2013
Statement Of Stockholders Equity [Abstract]
Preferred stock, par value	$ 0.001
Preferred stock, shares authorized	10,000,000
Common stock, par value	$ 0.001
Common stock, shares authorized	300,000,000
Unvested shares of restricted common stock excluded from outstanding shares	318,000	74,000

Income (Loss) Per Share - Computation for Basic and Diluted Net Income Per Share of Common Stock (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Numerator:
Net income (loss)	$ (6,499)	$ 6,108
Denominator:
Weighted average common shares outstanding-basic	46,517	45,511
Weighted average common shares outstanding-diluted	46,517	46,870
Common stock income (loss) per share:
Basic	$ (0.14)	$ 0.13
Diluted	$ (0.14)	$ 0.13
Options and Warrants [Member]
Denominator:
Dilutive effect of options and warrants		1,359

Commitments and Contingencies - Additional Information (Detail) $ in Millions			3 Months Ended	12 Months Ended
	Nov. 27, 2013 Defendant	Jan. 28, 2013 USD ($)	Jan. 03, 2014 USD ($)	Sep. 27, 2013 USD ($)
Contingencies And Commitments [Line Items]
Long term technology licensing and transfer commitment			$ 3.7	$ 4.4
Long term technology licensing and transfer commitment, Expiry Date			2016-07
Alleged damages		$ 2.2
Ex-Employee defendants \| Defendant	5
Maximum [Member]
Contingencies And Commitments [Line Items]
Long term technology licensing and transfer commitment			$ 5.6

Restructurings - Additional Information (Detail) $ in Millions	3 Months Ended
	Jan. 03, 2014 USD ($)
Restructuring And Related Activities [Abstract]
Severance and outplacement fees for the terminated employees	$ 11.5

Restructurings - Summary of Costs Related to Restructuring Actions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Restructuring And Related Activities [Abstract]
Beginning Balance of accrued costs	$ 145
Current period charges - continuing operations	13,090
Payments	(2,198)
Ending Balance of accrued costs	$ 11,037

Share-Based Compensation - Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Nonemployees (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	$ 1,845	$ 1,623
Cost of Revenue [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	283	317
Research and Development [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	484	372
Selling, General and Administrative [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	$ 1,078	$ 934

Share-Based Compensation - Additional Information (Detail) shares in Millions	3 Months Ended
	Jan. 03, 2014 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options exercised	$ 1,800,000
Compensation cost expected to be recognized	1 year
Total intrinsic value of awards vesting	$ 100,000
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 12,100,000
Compensation cost expected to be recognized	2 years 4 months 24 days
Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in common stock available for issuance, shares \| shares	1.9
2012 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in common stock available for issuance, shares \| shares	0.6
Future grants \| shares	11.0
Un Vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 243,000

Share-Based Compensation - Summary of Stock Option Activity (Detail) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($) $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Shares, Outstanding - Beginning Balance \| shares	841
Number of Shares, Assumed in Mindspeed Acquisition \| shares	439
Number of Shares, Granted \| shares
Number of Shares, Exercised \| shares	(113)
Number of Shares, Forfeited, canceled or expired \| shares	(58)
Number of Shares, Outstanding - Ending Balance \| shares	1,109
Number of Shares, Options vested and expected to vest as of January 3, 2014 \| shares	999
Number of Shares, Options vested and exercisable as of January 3, 2014 \| shares	949
Weighted-Average Exercise Price Per Share, Outstanding - Beginning Balance \| $ / shares	$ 1.60
Weighted-Average Exercise Price Per Share, Assumed in Mindspeed Acquisition \| $ / shares	24.50
Weighted-Average Exercise Price Per Share, Granted \| $ / shares
Weighted-Average Exercise Price Per Share, Exercised \| $ / shares	1.01
Weighted-Average Exercise Price Per Share, Forfeited, canceled or expired \| $ / shares	38.91
Weighted-Average Exercise Price Per Share, Outstanding - Ending Balance \| $ / shares	8.82
Weighted-Average Exercise Price Per Share, Options vested and expected to vest as of January 3, 2014 \| $ / shares	8.82
Weighted-Average Exercise Price Per Share, Options vested and exercisable as of January 3, 2014 \| $ / shares	$ 9.20
Weighted-Average Remaining Contractual Term (in years), Beginning Balance	6 years 2 months 12 days
Weighted-Average Remaining Contractual Term (in years), Ending Balance	5 years 2 months 12 days
Weighted-Average Remaining Contractual Term (in years), Options vested and expected to vest as of January 3, 2014	5 years 2 months 12 days
Weighted-Average Remaining Contractual Term (in years), Options vested and exercisable as of January 3, 2014	5 years
Aggregate Intrinsic Value, Beginning Balance \| $	$ 13,131
Aggregate Intrinsic Value, Ending Balance \| $	10,628
Aggregate Intrinsic Value, Options vested and expected to vest as of January 3, 2014 \| $	9,565
Aggregate Intrinsic Value, Options vested and exercisable as of January 3, 2014 \| $	$ 8,876

Share-Based Compensation - Summary of Restricted Stock and Units Activity (Detail) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 03, 2014 USD ($) shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of shares, Issued and unvested - Beginning Balance	1,129
Number of shares, Assumed in Mindspeed Acquisition	285
Number of shares, Granted	76
Number of shares, Vested and released	(5)
Number of shares, Forfeited, canceled or expired	(4)
Number of shares, Issued and unvested - Ending Balance	1,481
Number of Shares, Shares expected to vest-January 3, 2014	1,388
Weighted-Average Remaining Contractual Term (in years), Unvested-September 27, 2013	2 years 10 months 24 days
Weighted-Average Remaining Contractual Term (in years), Issued and unvested-January 3, 2014	2 years 4 months 24 days
Weighted-Average Remaining Contractual Term (in years), Shares expected to vest-January 3, 2014	2 years 4 months 24 days
Aggregate Intrinsic Value, Unvested - Beginning Balance \| $	$ 18,148
Aggregate Intrinsic Value, Issued and unvested - Ending Balance \| $	23,794
Aggregate Intrinsic Value, Shares expected to vest-January 3, 2014 \| $	$ 22,311

Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Income Taxes [Line Items]
U.S. federal statutory income tax rate	35.00%	35.00%
Mindspeed [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 683.7
Expiration beginning year for net operating loss carryforward	2033
Federal research and development tax credit carryforwards	$ 19.5
Internal revenue	292.7
Estimated aggregate net deferred income tax assets acquire	82.9
Net deferred income tax liability	66.0
Valuation allowance	$ 16.8

Related-Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Related Party Transactions [Abstract]
Minimum service requirements or payment obligations	$ 0
Notice period to terminate agreement	30 days
Other income-related party	$ 78,000	$ 84,000

Supplemental Cash Flow Information - Additional Information (Detail) - USD ($)	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Supplemental Cash Flow Elements [Abstract]
Unpaid amounts related to purchase of assets	$ 462,000.0	$ 1,500,000
Mindspeed [Member]
Supplemental Cash Flow Elements [Abstract]
Assumed indebtedness	39,800,000
Debt paid	$ 32,900,000

Geographic and Significant Customer Information - Summary of Different Geographic Regions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012	Sep. 27, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region	$ 83,468	$ 75,014
Long-Lived Assets by Geographic Region	47,353		$ 31,563
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region	53,440	44,440
Long-Lived Assets by Geographic Region	39,859		25,054
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region	30,028	$ 30,574
Long-Lived Assets by Geographic Region	$ 7,494		$ 6,509

Geographic and Significant Customer Information - Summary of Different Geographic Regions (Parenthetical) (Detail)	Jan. 03, 2014	Sep. 27, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic segment revenue threshold	10.00%	10.00%
Percentage of geographic segment long-lived assets threshold	10.00%	10.00%
Asia-Pacific Region [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic segment long-lived assets threshold		12.00%

Geographic and Significant Customer Information - Summary of Customer Concentrations as Percentage of Total Sales and Accounts Receivable (Detail)	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012	Sep. 27, 2013
Revenue from External Customer [Line Items]
Revenue	64.00%	62.00%
Customer A [Member]
Revenue from External Customer [Line Items]
Revenue	23.00%	16.00%
Accounts Receivable	23.00%		18.00%
Customer B [Member]
Revenue from External Customer [Line Items]
Revenue	24.00%	26.00%
Accounts Receivable	15.00%		21.00%

Geographic and Significant Customer Information - Additional Information (Detail) - Customer	3 Months Ended
	Jan. 03, 2014	Dec. 28, 2012	Sep. 27, 2013
Segment Reporting [Abstract]
Number of major customers	10
Total revenue of customer in percentage	64.00%	62.00%
Percentage of geographic segment long-lived assets threshold	10.00%		10.00%