MACOM Technology Solutions (MTSI) 10-Q 12 Aug 15 2015 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Jul. 03, 2015	Aug. 10, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 3, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	Q3
Trading Symbol	MTSI
Entity Registrant Name	M/A-COM Technology Solutions Holdings, Inc.
Entity Central Index Key	1,493,594
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		52,949,032

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014
Current assets:
Cash and cash equivalents	$ 80,687	$ 173,895
Accounts receivable, net	89,714	75,156
Inventories, net	84,373	73,572
Deferred income taxes	35,957	35,957
Prepaids and other current assets	18,423	14,769
Total current assets	309,154	373,349
Property and equipment, net	80,167	50,357
Goodwill	98,799	10,784
Intangible assets, net	252,496	142,633
Deferred income taxes	49,851	84,629
Other assets	16,247	20,482
TOTAL ASSETS	806,714	682,234
Current liabilities:
Current portion of lease	554
Current portion of long-term debt	3,500	3,478
Accounts payable	27,594	29,797
Accrued liabilities	32,498	34,248
Income taxes payable	1,172	865
Deferred revenue	336	17,258
Total current liabilities	65,654	85,646
Lease payable, less current portion	608
Long-term debt, less current portion	340,813	343,178
Warrant liability	31,472	15,801
Other long-term liabilities	7,365	9,042
Total liabilities	$ 445,912	$ 453,667
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock	$ 53	$ 48
Additional paid-in capital	516,597	377,714
Treasury stock, at cost	(330)	(330)
Accumulated deficit	(153,328)	(147,511)
Accumulated other comprehensive loss	(2,190)	(1,354)
Total stockholders' equity	360,802	228,567
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 806,714	$ 682,234

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Income Statement [Abstract]
Revenue	$ 130,663	$ 112,364	$ 370,412	$ 304,345
Cost of revenue	70,879	62,150	202,420	191,546
Gross profit	59,784	50,214	167,992	112,799
Operating expenses:
Research and development	21,611	20,810	62,146	53,587
Selling, general and administrative	27,428	22,065	82,254	65,952
Restructuring charges	558		971	15,725
Total operating expenses	49,597	42,875	145,371	135,264
Income (loss) from operations	10,187	7,339	22,621	(22,465)
Other income (expense)
Warrant liability (expense) gain	546	(2,782)	(15,671)	(5,566)
Interest expense	(4,505)	(5,625)	(13,952)	(7,833)
Other income (expense)	3,775	1,354	2,774	2,441
Total other expense	(184)	(7,053)	(26,849)	(10,958)
Income (loss) before income taxes	10,003	286	(4,228)	(33,423)
Income tax provision (benefit)	1,976	(897)	1,589	(8,168)
Income (loss) from continuing operations	8,027	1,183	(5,817)	(25,255)
Income (loss) from discontinued operations				(4,605)
Net income (loss)	$ 8,027	$ 1,183	$ (5,817)	$ (29,860)
Basic income (loss) per share:
Income (loss) from continuing operations	$ 0.15	$ 0.03	$ (0.12)	$ (0.54)
Income (loss) from discontinued operations				(0.10)
Income (loss) per share-basic	0.15	0.03	(0.12)	(0.64)
Diluted income (loss) per share:
Income (loss) from continuing operations	0.15	0.02	(0.12)	(0.54)
Income (loss) from discontinued operations				(0.10)
Income (loss) per share-diluted	$ 0.15	$ 0.02	$ (0.12)	$ (0.64)
Shares used:
Basic	53,098	47,280	50,433	46,856
Diluted	55,175	48,524	50,433	46,856

Condensed Consolidated Stateme4

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Amounts Reclassified Out Of Accumulated Other Comprehensive Income Loss [Abstract]
Net income (loss)	$ 8,027	$ 1,183	$ (5,817)	$ (29,860)
Foreign currency translation gain (loss)	(822)	25	(836)	(362)
Total comprehensive income (loss)	$ 7,205	$ 1,208	$ (6,653)	$ (30,222)

Condensed Consolidated Stateme5

Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Jul. 03, 2015 - 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 Oct. 03, 2014	$ 228,567	$ 48	$ (330)	$ (1,354)	$ 377,714	$ (147,511)
Balance, Shares at Oct. 03, 2014		47,548	23
Common stock issued, net of issuance costs	127,697	$ 5			127,692
Common stock issued, net of issuance costs, shares		4,500
Stock options exercises	$ 2,491				2,491
Stock options exercises, shares	269	269
Vesting of restricted common stock and units	$ 0	$ 0	$ 0	0	0	0
Vesting of restricted common stock and unit, shares		654
Shares issued pursuant to employee stock purchase plan	2,838				2,838
Shares issued pursuant to employee stock purchase plan, shares		176
Minimum tax withholding payments for employee share-based awards	(7,919)				(7,919)
Minimum tax withholding payments for employee share-based awards, shares		(242)
Share-based compensation	13,781				13,781
Other comprehensive income	214			214
Foreign currency translation	(1,050)			(1,050)
Net loss	(5,817)					(5,817)
Balance at Jul. 03, 2015	$ 360,802	$ 53	$ (330)	$ (2,190)	$ 516,597	$ (153,328)
Balance, Shares at Jul. 03, 2015		52,905	23

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (5,817)	$ (29,860)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities (net of acquisition):
Warrant liability expense	15,671	5,566
Depreciation and amortization	38,662	26,422
Acquired inventory step-up amortization	6,333	18,053
Amortization of deferred financing costs	1,247	2,641
Amortization of prepaid compensation	6,584
Unrealized exchange (gains) losses	(290)	(16)
Impairment of equity investment	3,500
Deferred income taxes	474	(13,720)
Loss on disposal of property and equipment	246	219
Share-based compensation	13,781	8,525
Change in operating assets and liabilities, net of effects from an acquisition:
Accounts receivable	(6,993)	1,253
Inventories, net	1,446	(6,197)
Prepaid expenses and other assets	2,969	(1,146)
Prepaid compensation	(14,586)
Accounts payable	(7,561)	(7,086)
Accrued and other liabilities	(10,494)	2,015
Income taxes	(55)	(3,720)
Deferred revenue	(16,922)	6,711
Net cash provided by (used in) operating activities	28,195	9,660
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net	(208,352)	(258,108)
Proceeds from sale of assets		12,000
Purchases of property and equipment	(32,488)	(10,279)
Sale of business		8,627
Strategic investments	1,500	(5,000)
Purchase of securities	(250)	(250)
Acquisition of intellectual property	(2,483)	(5,088)
Net cash provided by (used in) investing activities	(242,073)	(258,098)
CASH FLOWS FROM FINANCING ACTIVITIES:
Capital contributions		3,200
Proceeds from notes payable		350,000
Proceeds from stock offering, net of issuance costs	127,697
Proceeds from revolving facility	100,000
Payments on revolving facility	(100,000)
Financing and offering costs	(39)	(8,790)
Proceeds from stock option exercises and employee stock purchases	5,329	3,777
Payments on notes payable	(2,625)	(2,625)
Payments on capital lease assumed	(1,372)
Repurchase of common stock	(7,919)	(1,108)
Excess tax benefits		1,886
Payment of assumed debt		(34,952)
Net cash provided by (used in) financing activities	121,071	311,388
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUILIVANTS	(401)	70
NET CHANGE IN CASH AND CASH EQUIVALENTS	(93,208)	63,020
CASH AND CASH EQUIVALENTS-Beginning of period	173,895	110,488
CASH AND CASH EQUIVALENTS-End of period	80,687	173,508
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	11,521	2,877
Cash paid for income taxes	$ 890	$ 4,684

Description of Business, Basis

Description of Business, Basis of Presentation and Accounting	9 Months Ended
	Jul. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business, Basis of Presentation and Accounting	1. DESCRIPTION OF BUSINESS, BASIS OF PRESENTATION AND ACCOUNTING Description of Business— The Company has one reportable operating segment which designs, develops, manufactures and markets semiconductors and modules. Basis of Presentation— Under the Jumpstart Our Business Startups Act (JOBS Act), the Company qualifies as an emerging growth company. Accordingly, 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. We expect to cease being an emerging growth company and become a large accelerated filer at the end of fiscal year 2015, which will, among other things, require us to fully comply with Section 404 of the Sarbanes-Oxley Act of 2002 including obtaining an auditor attestation of our internal controls. 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 2015 is 52 weeks in length and the three and nine months ended July 3, 2015 include 13 and 26 weeks, respectively. Fiscal year 2014 was 53 weeks in length and the three and nine months ended July 4, 2014 include 13 and 27 weeks, respectively. The accompanying condensed consolidated financial statements are referred to as “consolidated” for all periods presented. On December 15, 2014, MACOM completed the acquisition of BinOptics Corporation (BinOptics), a supplier of high-performance photonic products (BinOptics Acquisition). The BinOptics Acquisition was accounted for as a purchase and the operations of BinOptics have been included in MACOM’s condensed consolidated financial statements since December 15, 2014, the date of acquisition. MACOM acquired Nitronex, LLC (Nitronex) in a common-control business combination on February 13, 2014 (Nitronex Acquisition). Nitronex, a supplier of high-performance gallium nitride (GaN) semiconductors for RF, microwave and millimeterwave applications, was acquired by GaAs Labs, LLC (GaAs Labs) on June 25, 2012. Prior to the Nitronex Acquisition, GaAs Labs was a stockholder in MACOM, and GaAs Labs, Nitronex and MACOM were considered to be under common control from June 25, 2012 through February 13, 2014 due to a common controlling stockholder. The accompanying consolidated financial statements for the three months and nine months ended April 4, 2014, combine MACOM’s historical consolidated financial statements with the historical financial statements of Nitronex from January 3, 2014 through April 4, 2014 and September 28, 2013 through April 4, 2014, and have been presented in a manner similar to a pooling-of-interests to include the results of operations of each business since the date of common control. On December 18, 2013, MACOM completed the acquisition of Mindspeed Technologies, Inc. (Mindspeed), a supplier of high-performance analog semiconductor solutions for communications infrastructure applications (Mindspeed Acquisition). The Mindspeed Acquisition was accounted for as a purchase, and the operations of Mindspeed have been included in MACOM’s consolidated financial statements since December 18, 2013, the date of acquisition. These consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended October 3, 2014, filed with the SEC on December 9, 2014. In the opinion of management, the accompanying unaudited 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 2015. Principles of Consolidation— Use of Estimates— Discontinued Operations— Foreign Currency Translation and Remeasurement— The financial statements of the Company’s foreign operations where the functional currency is the U.S. dollar, but where the underlying transactions are transacted in a different currency, are re-measured at the exchange rate in effect at the balance sheet date with respect to monetary assets and liabilities. Nonmonetary assets and liabilities, such as inventories and property and equipment and related statements of operations accounts, such as cost of revenue and depreciation, are remeasured at historical exchange rates. Revenue and expenses, other than cost of revenue, amortization and depreciation, are translated at the average exchange rate for the period in which the transaction occurred. The net gains (losses) on foreign currency remeasurement are reflected in selling, general and administrative expense in the accompanying Condensed Consolidated Statements of Operations. The Company’s recognized net gains and losses on foreign exchange are included in selling, general and administrative expense and for all periods presented were immaterial. Revenue Recognition— The Company generally does not provide customers other than distributors the right to return product, with the exception of warranty related matters. Accordingly, the Company does not typically maintain a reserve for customers. Shipping and handling fees billed to customers are recorded as revenue while the related costs are classified as a component cost of revenue. The Company provides warranties for its products and accrues the cost of warranty claims in the period the related revenue is recorded. Prior to fiscal 2015, the Company had concluded that it had insufficient information as well as limited experience in estimating the effect of the right of distributors to return product and price protection and, accordingly, used the sell through approach of revenue recognition. Under this approach, the Company would recognize revenue from sales after the distributor resold the product to its end customer (the sell through basis). After concluding an extensive three year study of distributor related transactions, the Company completed an evaluation of its revenue recognition policy and concluded that it was more appropriate to recognize revenue to distributors at the time of shipment to the distributor (sell-in basis). The Company believes it now has sufficient data to predict future price adjustments from distributors and has a basis of being able to reasonably estimate these future price adjustments. On a consolidated basis, revenue from distribution customers impacted by the change in estimate accounts for approximately 10-15% of total consolidated revenue. Certain agreements with distribution customers provide for rights of return and compensation credits until such time as the Company’s products are sold by the distributors to their end customers. The Company has agreements with some distribution customers for various programs, including compensation, volume-based pricing, obsolete inventory, new products and stock rotation. Sales to these distribution customers, as well as the existence of compensation programs, are in accordance with terms set forth in written agreements with these distribution customers. In general, credits allowed under these programs are capped based upon individual distributor agreements. The Company records charges associated with these programs as a reduction of revenue at the time of sale with a corresponding adjustment to accounts receivable based upon historical activity. The Company’s policy is to use a 12 month rolling historical experience rate as well as an estimated general reserve percentage in order to estimate the necessary allowance to be recorded. The Company changed its revenue recognition policy from a sell through to a sell-in approach during the first fiscal quarter of 2015. The Company recognizes revenue when criteria for ASC 605-15-25 are met. During the first fiscal quarter of 2015, the Company recorded corresponding adjustments related to this change in estimate to recognize previously deferred revenues. The net effect was an increase of $15.1 million, of which $12.4 million was from previously deferred revenue and $2.7 million was related to the change in distributor inventories. Additionally, the Company recognized the related deferred inventory costs of $4.7 million which resulted in a reduction to net loss of $8.5 million, or a reduction of $0.18 net loss per share when the change in estimate was recorded. During the three months ended July 3, 2015, this change in estimate resulted in decreased revenue of $1.3 million and a net loss of $0.6 million, or $0.01 loss per share, respectively. During the nine months ended July 3, 2015, this change in estimate resulted in revenue of $17.5 million and a reduction in net loss of $9.4 million, or a reduction of $0.18 net loss per share, respectively. The Company also established a new reserve of $5.5 million during the first quarter of fiscal year 2015 which was increased to $6.2 million for the quarter ended July 3, 2015 related to future rebates and returns under various programs associated with our distributor agreements. The amount of this reserve is largely driven by the individual distribution agreements and the Company’s business strategy whereby the Company will invoice the distributor at “list price”. The Company expects to issue compensation credits consistent with the distributor agreements. The difference between the list price and distributor selling price will vary by product grouping consistent with historical trends and marketing strategies. Historically, 90 percent of the credits issued to distributors are based on “list price” credits and 10 percent of the credits were for product returns and stock rotation rights, based upon the 12 month rolling historical experience rate. The table below shows the changes in gross and net distributor revenue and reserve balances associated with the change in estimate for the three and nine months ended July 3, 2015 (in millions): Three Months Ended Nine January 2, April 3, July 3, July 3, Gross revenue effect of one-time change in estimate (1) $ 17.0 — — $ 17.0 Gross revenue effect associated with change in estimate (2) 3.6 4.7 (1.7 ) 6.6 Total gross revenue resulting from change in estimate $ 20.6 $ 4.7 $ (1.7 ) $ 23.6 Net revenue effect of one-time change in estimate (3) 12.4 — — 12.4 Net revenue effect associated with change in estimate (4) 2.7 3.7 (1.3 ) 5.1 Total net revenue resulting from change in estimate $ 15.1 $ 3.7 $ (1.3 ) $ 17.5 Reserve for future returns and credits (5) $ (5.5 ) $ (1.0 ) $ 0.3 $ (6.2 ) (1) This amount was recorded as deferred revenue as of October 2, 2014. (2) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period. (3) This amount represents the net revenue impact of the one-time change in estimate after applying the associated reserve for future credits and returns. (4) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period after applying the associated reserve for future credits and returns. (5) This amount reflects the change in the revenue reserve for future returns and credits. The balance as of July 3, 2015 is $6.2 million. Property, Plant and Equipment— Property and equipment are depreciated or amortized using the straight-line method over the following estimated useful lives: Asset Classification Estimated Useful Life In Years Buildings and improvements 40 Machinery and equipment 2 – 7 Computer equipment and software 2 – 5 Furniture and fixtures 7 – 10 Leasehold improvements Shorter of useful life or term of lease Other Income Recent Accounting Standards— Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers In June 2014, the FASB issued ASU 2014-12— Compensation—Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force) In February 2015, the FASB issued ASU 2015-02, Consolidation: Amendments to the Consolidation Analysis. In April 2015, the FASB issued ASU 2015-03, Interest—Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs.

Acquisitions

Acquisitions	9 Months Ended
	Jul. 03, 2015
Business Combinations [Abstract]
Acquisitions	2. ACQUISITIONS Acquisition of BinOptics Corporation — The BinOptics Acquisition was accounted for as a purchase and the operations of BinOptics have been included in MACOM’s consolidated financial statements since the date of acquisition. MACOM is recognizing BinOptics’ 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 BinOptics 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. The excess of the purchase price over the fair value of the acquired net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company expects to finalize its allocation of purchase price within 12 months of December 15, 2014. The preliminary allocation of purchase price as of July 3, 2015, is as follows (in thousands): Original Allocation July 3, 2015 Current assets $ 41,836 $ (15,373 ) $ 26,463 Intangible assets 135,254 (554 ) 134,700 Other assets 14,090 (4,900 ) 9,190 Total assets acquired 191,180 (20,827 ) 170,353 Liabilities assumed: Debt 1,491 1,044 2,535 Deferred income taxes 37,745 (3,227 ) 34,518 Other liabilities 12,810 153 12,963 Total liabilities assumed 52,046 (2,030 ) 50,016 Net assets acquired 139,134 (18,797 ) 120,337 Consideration: Cash paid upon closing, net of cash acquired 224,114 (15,762 ) 208,352 Goodwill $ 84,980 $ 3,035 $ 88,015 The $15,762 of allocation adjustments shown above in the “Cash paid upon closing, net of cash acquired” caption consists of the following (in thousands): Cash paid upon Original Allocation $ 224,114 Reclassification of prepaid compensation (14,586 ) Reclassification of assumed capital lease debt (1,044 ) Reclassification of escrow fees (17 ) Cash received from acquiree related to working capital true-up (115 ) Allocation Adjustments (15,762 ) Adjusted Allocations at July 3, 2015 $ 208,352 The prepaid compensation item above is to correct the reclassification of employee retention escrow payment previously reported as a cash outflow from investing activities, to cash outflows from operating activities. The assumed capital lease debt item above is to show the gross capital lease debt assumed in the acquisition, not previously shown as part of purchase consideration. The components of the acquired intangible assets on a preliminary basis were as follows (in thousands): Amount Useful Lives Developed technology $ 17,500 7 Customer relationships 117,200 10 $ 134,700 The overall weighted-average life of the identified intangible assets acquired in the BinOptics Acquisition is estimated to be 9.6 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 July 3, 2015, and for the interim periods then ended. The following is a summary of BinOptics revenue and earnings included in MACOM’s accompanying condensed consolidated statements of operations for the three and nine months ended July 3, 2015 (in thousands): Three Months July 3, 2015 Nine Months Revenue $ 20,186 $ 39,393 Income (loss) before income taxes 1,980 (3,455 ) Unaudited Supplemental Pro Forma Data— Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Revenue $ 130,663 $ 126,662 $ 382,279 $ 335,821 Net income (loss) 13,178 4,134 2,317 (34,817 ) The table above represents proforma net income (loss) which differs from the actual results due to adjustments related to inventory step-up and intangible amortization expense which were reflected in fiscal 2014. Acquisition under Common Control— Acquisition of Mindspeed Technologies, Inc.— 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. The aggregate purchase price for the Shares, net of cash acquired, was $232.0 million and MACOM assumed $81.3 million of liabilities and incurred costs of $4.5 million that was expensed during fiscal year 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 recognized 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 was allocated to the tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition. The excess of the purchase price over the fair value of the acquired net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company finalized the purchase price allocation of the Mindspeed Acquisition during the three months ended January 2, 2015. The final allocation of purchase price is as follows (in thousands): Amount Current assets $ 50,612 Intangible assets 138,663 Deferred income taxes 92,881 Other assets 31,788 Total assets acquired 313,944 Liabilities assumed: Current liabilities 35,270 Debt 40,177 Other liabilities 5,865 Total liabilities assumed 81,312 Net assets acquired 232,632 Consideration: Cash paid upon closing, net of cash acquired 232,028 Fair value of vested awards assumed in acquisition 785 Total consideration 232,813 Goodwill $ 181 In connection with the Mindspeed Acquisition, MACOM assumed all of the outstanding options and 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 $4.1 million, of which $0.8 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 were as follows (in thousands): Amount Useful Lives Developed technology $ 109,263 7 Customer relationships 11,430 10 In-process research and development 17,970 N/A $ 138,663 The overall weighted-average life of the identified intangible assets acquired in the acquisition is estimated to be 7.3 years. The following is a summary of Mindspeed’s revenue and earnings included in MACOM’s accompanying condensed consolidated statements of operations for the nine months ended July 4, 2014 (in thousands): Nine Months Ended Revenue $ 64,765 Loss from continuing operations before income taxes and restructuring charges (18,534 ) Subsequent to closing the Mindspeed Acquisition, MACOM divested the wireless business of Mindspeed. The operations of the wireless business are included in discontinued operations through the date of sale. The Company completed the sale of the wireless business in February 2014. The accompanying consolidated statement of operations for the three and nine months ended July 4, 2014, includes the following operating results related to the divested wireless business (in thousands): Three Months Ended Nine Months Ended Revenue $ — $ 2,440 Loss before income taxes — (7,381 ) Benefit for income taxes — 2,776 Loss from discontinued operations — (4,605 ) Unaudited Supplemental Pro Forma Data — Nine Months Ended Revenue $ 323,801 Net loss (27,051 ) Other Acquisitions — The assets acquired and liabilities assumed were recorded at their fair values and operating results were included in the financial statements from the date of acquisition. The preliminary purchase price allocation resulted in goodwill of $3.9 million and intangible assets, including manufacturing know-how and customer relationships, of $1.6 million recorded on the date of acquisition, which will be amortized over 7-10 years. Additionally, the Company recorded a contingent consideration liability of $0.8 million related to the acquisition of Photonic Controls which is included in other long-term liabilities in the accompanying Condensed Consolidated Balance Sheet as of October 3, 2014. The maximum possible payment of contingent purchase price is $1.5 million. Approximately $1.7 million of the goodwill resulting from these acquisitions is deductible for tax purposes. The purchase price allocation will be finalized in fiscal 2015 upon receipt of final information related to valuation of intangibles, and no allocation adjustments were recorded in the nine months ended July 3, 2015. The acquisitions were not material to the Company’s consolidated financial statements. Investments — During fiscal years 2014 and 2015, the Company made a minority investment of $0.3 million and $0.2 million in the convertible debt of a privately-held U.S. based company. The Company classified this investment as trading securities. (See Note 3). During fiscal year 2014, the Company purchased a $5.0 million equity interest in a privately-held U.S. based company. The investment was accounted for utilizing the cost method and was included in Other Long-Term Assets in the Condensed Consolidated Balance Sheet. The Company determined that the equity investment contained embedded derivatives. The accounting treatment of derivative financial instruments requires that the Company record the fair value of the derivatives as of the inception date of the equity investment and to adjust the fair value as of each subsequent balance sheet date. On May 11, 2015, the investee company was sold to a third party which provided the Company with information that the underlying value of the investment had been impaired at April 3, 2015. Accordingly, the Company recorded an impairment charge of $3.5 million which is included in Other Expense in the Condensed Consolidated Statement of Operations for the three months ended April 3, 2015 and the nine months ended July 3, 2015. The Company received $1.5 million in exchange for the equity investment during the three months ended July 3, 2015.

Financial Instruments

Financial Instruments	9 Months Ended
	Jul. 03, 2015
Fair Value Disclosures [Abstract]
Financial Instruments	3. FINANCIAL INSTRUMENTS The Company groups its financial assets and liabilities measured at fair value on a recurring basis in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are: • Level 1—Quoted prices in active markets for identical assets or liabilities. • Level 2—Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-driven valuations in which all significant inputs are observable or can be derived principally from, or corroborated with, observable market data. • Level 3—Fair value is derived from valuation techniques in which one or more significant inputs are unobservable, including assumptions and judgments made by the Company. Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis The Company measures certain assets and liabilities at fair value on a recurring basis such as our financial instruments and derivatives. There have been no transfers between Level 1, 2 or 3 assets or liabilities during the three and nine months ended July 3, 2015. As of July 3, 2015, the fair value of trading securities have been estimated to approximate cost. 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 financial instruments. Any changes in the estimated fair values of the financial instruments in the future will be reflected in the Company’s earnings and such changes could be material. The fair values of the contingent consideration liabilities were estimated based upon a risk-adjusted present value of the probability-weighted expected payments by the Company. Specifically, the Company considered base, upside and downside scenarios for the operating metrics upon which the contingent payments are to be based. Probabilities were assigned to each scenario and the probability-weighted payments were discounted to present value using risk-adjusted discount rates. The maximum possible payment of contingent consideration is $1.5 million. As of July 3, 2015, the fair value of the 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 5.5 years, expected volatility of 34.1% and risk free rate of 1.6%. Any significant change in these assumptions could have an impact on the value of the stock warrants. The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of July 3, 2015 (in thousands): July 3, 2015 Fair Value Active Markets for Identical Assets (Level 1) Observable Inputs (Level 2) Unobservable Inputs (Level 3) Assets Trading securities $ 500 $ — $ — $ 500 Total assets measured at fair value $ 500 $ — $ — $ 500 Liabilities Contingent consideration $ 820 $ — $ — $ 820 Common stock warrant liability 31,472 — — 31,472 Total liabilities measured at fair value $ 32,292 $ — $ — $ 32,292 October 3, 2014 Fair Value Active Markets for Identical Assets (Level 1) Observable Inputs (Level 2) Unobservable Inputs (Level 3) Assets Trading securities $ 250 $ — $ — $ 250 Total assets measured at fair value $ 250 $ — $ — $ 250 Liabilities Contingent consideration $ 820 $ — $ — $ 820 Common stock warrant liability 15,801 — — 15,801 Total liabilities measured at fair value $ 16,621 $ — $ — $ 16,621 The changes in assets and liabilities with inputs classified within Level 3 of the fair value hierarchy consist of the following (in thousands): Three Months Ended July 3, 2015 April 3, 2015 Net Realized/ Unrealized Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 3, 2015 Trading securities $ 500 $ — $ — $ — $ — $ 500 Contingent consideration $ 820 $ — $ — $ — $ — $ 820 Common stock warrant liability $ 32,018 $ 546 $ — $ — $ — $ 31,472 Three Months Ended July 4, 2014 April 4, Net Realized/ Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 4, 2014 Trading securities $ 250 $ — $ — $ — $ — $ 250 Common stock warrant liability $ 14,657 $ 2,782 $ — $ — $ — $ 17,439 Nine Months Ended July 3, 2015 October 3, 2014 Net Realized/ Unrealized Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 3, 2015 Trading securities $ 250 $ — $ 250 $ — $ — $ 500 Contingent consideration $ 820 $ — $ — $ — $ — $ 820 Common stock warrant liability $ 15,801 $ 15,671 $ — $ — $ — $ 31,472 Nine Months Ended July 4, 2014 September 27, Net Realized/ Losses (Gains) Included in Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 4, 2014 Trading securities $ — $ — $ 250 $ — $ — $ 250 Common stock warrant liability $ 11,873 $ 5,566 $ — $ — $ — $ 17,439

Inventories

Inventories	9 Months Ended
	Jul. 03, 2015
Inventory Disclosure [Abstract]
Inventories	4. INVENTORIES Net inventories consist of the following (in thousands): July 3, 2015 October 3, 2014 Raw materials $ 45,851 $ 34,919 Work-in-process 4,218 5,500 Finished goods 34,304 33,153 Total $ 84,373 $ 73,572

Property, Plant and Equipment

Property, Plant and Equipment	9 Months Ended
	Jul. 03, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	5. PROPERTY, PLANT AND EQUIPMENT In June 2015, the Company purchased its corporate headquarters and fabrication facility including the associated land, improvements, leases and leasehold property, for approximately $8.3 million. Prior to the purchase, the Company leased the facility from Cobham Properties, Inc., and concurrently with the closing of the sale the lease was terminated. The building and improvements will be capitalized and depreciated over a 40 year life. There is no material relationship among the Company or any of its affiliates and Cobham. Property and equipment consists of the following (in thousands): July 3, 2015 October 3, 2014 Land, buildings and improvements $ 11,336 $ — Machinery and equipment 84,237 68,438 Leasehold improvements 6,882 7,998 Furniture and fixtures 940 1,017 Construction in process 26,324 12,918 Computer equipment and software 8,819 7,758 Total property and equipment 138,538 98,129 Less accumulated depreciation and amortization (58,371 ) (47,772 ) Property and equipment, net $ 80,167 $ 50,357 Depreciation and amortization expense related to property and equipment for the three and nine months ended July 3, 2015 was $3.7 million and $11.7 million, respectively. Depreciation and amortization expense related to property and equipment for the three and nine months ended July 4, 2014 was $3.7 million and $10.8 million, respectively.

Debt

Debt	9 Months Ended
	Jul. 03, 2015
Debt Disclosure [Abstract]
Debt	6. DEBT On September 26, 2013, and as amended November 5, 2013, the Company entered into an amended and restated loan agreement with a syndicate of lenders, which provided for a revolving credit facility of up to $300.0 million that was due to mature in September 2018 (Prior Facility). Borrowings under the revolving credit facility bore a variable interest rate based on either the lender’s prime rate or a LIBOR rate, plus an applicable margin. The revolving credit facility was secured by a first priority lien on substantially all of the Company’s assets and required compliance with certain financial and non-financial covenants. In connection with the Mindspeed and Nitronex acquisitions, MACOM borrowed an aggregate of $245.0 million of indebtedness on its Prior Facility. On May 8, 2014, the Company refinanced its outstanding indebtedness under the Prior Facility and discharged its obligations thereunder by entering into a credit agreement (Credit Agreement) with Goldman Sachs Bank USA and a syndicate of lenders. Concurrent with the execution of the Credit Agreement, the Company terminated the Prior Facility and repaid the outstanding $245.0 million principal and interest due through draws on the Credit Agreement. Upon terminating the Prior Facility, previously deferred financing costs pertaining to that facility of $2.1 million were expensed as additional interest. The Credit Agreement provides for term loans in an aggregate principal amount of $350.0 million, which mature in May 2021 (Term Loans) and a revolving credit facility of initially $100.0 million, which matures in May 2019 (Revolving Facility). In February 2015, the Company executed an amendment to the credit payment that increased the Company’s aggregate borrowing capacity under the Revolving Facility to $130.0 million. The Term Loans were issued with an original issue discount of 0.75%, which is being amortized over the term of the Term Loans using the straight-line method, which approximates the effective interest rate method. Borrowings under the Term Loans bear interest (payable quarterly) at: (i) for LIBOR loans, a rate per annum equal to the LIBOR rate (subject to a floor of 0.75%), plus an applicable margin of 3.75%, and (ii) for base rate loans, a rate per annum equal to the prime rate (subject to a floor of 1.75%), plus an applicable margin of 2.75%. Borrowings under the Revolving Facility bear interest (payable quarterly) at: (i) for LIBOR loans, a rate per annum equal to the LIBOR rate, plus an applicable margin in the range of 2.00% to 2.50% (based on the Company’s total net leverage ratio being within certain defined ranges); and (ii) for base rate loans, a rate per annum equal to the prime rate, plus an applicable margin in the range of 1.00% to 1.50% (based on the Company’s total net leverage ratio being within certain defined ranges). The Company also pays a quarterly unused line fee for the Revolving Facility in the range of 0.25% to 0.375% (based on the Company’s total net leverage ratio being within certain defined ranges) as well as overall agency fees. MACOM borrowed $100.0 million of indebtedness on its Revolving Facility in connection with the BinOptics Acquisition, which was paid down in full using net proceeds from a public offering of common stock the Company completed in February 2015. The Company has $130.0 million of borrowing capacity under the Revolving Facility as of July 3, 2015. The Term Loans are payable in quarterly principal installments equal to 0.25% of the aggregate dollar amount of all Term Loans outstanding at the signing of the Credit Agreement, with the remainder due on the maturity date. In the event that the Company divests a business, the net cash proceeds of the divestment are generally to be applied to repayment of outstanding Term Loans except to the extent the Company reinvests such proceeds in assets useful for its business within 18 months of receiving the proceeds. To the extent the Company enters into a binding agreement to reinvest such proceeds within 18 months of receiving them, the Company has until the later of 18 months following its receipt of the proceeds and six months following the date of such agreement to complete the reinvestment. At the signing of the Credit Agreement, the entire $350.0 million principal amount of the Term Loans was funded. The Term Loans and Revolving Facility are secured by a first priority lien on substantially all of the Company’s assets and provide that the Company must comply with certain financial and non-financial covenants. The Company was in compliance with all such covenants under the Credit Agreement as of July 3, 2015. The Company incurred $8.7 million in fees for the issuance of the Credit Agreement which were recorded as deferred financing costs and are being amortized over the life of Credit Agreement as interest expense. As of July 3, 2015, approximately $7.2 million of deferred financing costs remain unamortized. As of July 3, 2015, the following remained outstanding on the Term Loans: Principal balance $ 346,500 Unamortized discount (2,187 ) Total Term Loans 344,313 Current portion 3,500 Long-term, less current portion $ 340,813 As of July 3, 2015, the minimum principal payments under the Term Loans in future fiscal years was as follows (in thousands): 2015 (rest of fiscal year) $ 875 2016 3,500 2017 3,500 2018 3,500 2019 3,500 2020 3,500 Thereafter 328,125 Total $ 346,500 The fair value of the Term Loans was estimated to be approximately $348.2 million as of July 3, 2015 and was determined using Level 3 inputs, including a quoted rate from a bank.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	9 Months Ended
	Jul. 03, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	7. GOODWILL AND INTANGIBLE ASSETS Amortization expense related to intangible assets is as follows (in thousands): Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Cost of revenue $ 6,932 $ 6,270 $ 19,638 $ 14,292 Selling, general and administrative 3,201 505 7,350 1,374 Total $ 10,133 $ 6,775 $ 26,988 $ 15,666 Intangible assets consist of the following (in thousands): July 3, 2015 October 3, 2014 Acquired technology $ 161,385 $ 131,953 Customer relationships 141,870 24,670 In-process research and development 8,190 17,970 Trade name 3,400 3,400 Total 314,845 177,993 Less accumulated amortization (62,349 ) (35,360 ) Intangible assets—net $ 252,496 $ 142,633 A summary of the activity in intangible assets and goodwill follows (in thousands): Total Acquired Technology Customer Relationships In-Process Trade Goodwill Balance at October 3, 2014 $ 188,777 $ 131,953 $ 24,670 $ 17,970 $ 3,400 $ 10,784 BinOptics Acquisition 222,715 17,500 117,200 — — 88,015 Transfer to in service — 9,780 — (9,780 ) — — Other intangibles purchased 2,152 2,152 — — — — Balance at July 3, 2015 $ 413,644 $ 161,385 $ 141,870 $ 8,190 $ 3,400 $ 98,799 As of July 3, 2015, estimated amortization of the intangible assets in future fiscal years, subject to the completion of the purchase price allocation for the BinOptics Acquisition, was as follows (in thousands): 2015 (rest of 2016 2017 2018 2019 Thereafter Total Amortization expense $ 10,240 35,080 35,597 34,239 32,514 93,191 $ 240,861 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 $45.6 million and $16.7 million, respectively, as of July 3, 2015, and $23.2 million and $7.2 million, respectively, as of July 4, 2014. In July 2013, the Company entered into a long term technology licensing and transfer agreement that calls for potential payments by the Company of up to $9.0 million through July 2016, based upon the achievement of specified milestones. Costs incurred in connection with the licensing and the transfer of the technology aggregated $8.2 million and $5.5 million as of July 3, 2015 and July 4, 2014, respectively, and were capitalized as incurred as acquired technology. Costs will be amortized to cost of revenue upon completion of the transfer, which is currently expected to be completed in fiscal year 2016.

Stockholders' Equity

Stockholders' Equity	9 Months Ended
	Jul. 03, 2015
Equity [Abstract]
Stockholders' Equity	8. STOCKHOLDERS’ 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 July 3, 2015. The outstanding shares of Company common stock as of July 3, 2015 and October 3, 2014, presented in the accompanying consolidated statements of stockholders’ equity exclude 17,000 and 59,000 unvested shares of restricted common stock, respectively, issued as compensation to employees that remained subject to forfeiture.

Income (Loss) Per Share

Income (Loss) Per Share	9 Months Ended
	Jul. 03, 2015
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 (loss) 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 (loss) per share of common stock (in thousands, except per share data): Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Numerator: Net income (loss) $ 8,027 $ 1,183 $ (5,817 ) $ (29,860 ) Denominator: Weighted average common shares outstanding-basic 53,098 47,280 50,433 46,856 Dilutive effect of options, restricted stock and warrants 2,077 1,244 — — Weighted average common shares outstanding-diluted 55,175 48,524 50,433 46,856 Common stock loss per share: Basic $ 0.15 $ 0.03 $ (0.12 ) $ (0.64 ) Diluted $ 0.15 $ 0.02 $ (0.12 ) $ (0.64 ) The table above excludes the effects of 2,127 and 1,349 shares for the nine months ended July 3, 2015 and July 4, 2014, respectively, of potential shares of common stock issuable upon exercise of stock options, restricted stock and stock units, and warrants as the inclusion would be antidilutive.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Jul. 03, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	10. COMMITMENTS AND CONTINGENCIES Purchase Commitments— Litigation— Patent Suit Against Laird Class Action Suit Against Mindspeed Technologies, Inc. With respect to the above and other legal proceedings, the Company has not been able to reasonably estimate the amount or range of any possible loss, and accordingly has not accrued or disclosed any related amounts of possible loss in the accompanying consolidated financial statements.

Restructurings

Restructurings	9 Months Ended
	Jul. 03, 2015
Restructuring and Related Activities [Abstract]
Restructurings	11. RESTRUCTURINGS The Company has periodically implemented restructuring actions in connection with broader plans to reduce staffing and, generally, reduce operating costs. The restructuring expenses are comprised of direct and incremental costs related to headcount reductions including change-in-control obligations, severance and outplacement fees for the terminated employees. The following is a summary of the costs incurred and remaining balances included in accrued expenses primarily related to restructuring actions taken by the Company (in thousands): Balance as of October 3, 2014 $ 801 Net pre-tax restructuring charges 971 Utilization (909 ) Balance as of July 3, 2015 $ 865 The restructuring actions taken in fiscal year 2014 were paid through the first nine months of fiscal year 2015, and the remaining amount is expected to be paid through the remainder of fiscal year 2015. The Company’s restructuring charges are primarily employee related with non-employee related charges determined to be immaterial.

Share-Based Compensation

Share-Based Compensation	9 Months Ended
	Jul. 03, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-Based Compensation	12. SHARE-BASED COMPENSATION The Company has the following equity incentive plans: the Amended and Restated 2009 Stock Incentive Plan (2009 Plan), the 2012 Omnibus Incentive Plan (2012 Plan), the 2012 Employee Stock Purchase Plan (ESPP), the Mindspeed Technologies, Inc. 2013 Equity Incentive Plan (Mindspeed 2013 Plan), the Mindspeed Technologies, Inc. 2003 Long-Term Incentives Plan (Mindspeed 2003 Plan) and the Mindspeed Technologies, Inc. Directors Stock Plan (Mindspeed Directors Plan). Upon the closing of the Company’s initial public offering, all shares that were reserved under the 2009 Plan but not awarded were assumed by the 2012 Plan. No additional awards will be made under the 2009 Plan. Under the 2012 Plan, the Company has the ability to issue incentive stock options (ISOs), non-statutory stock options (NSOs), stock appreciation rights, restricted stock, restricted stock units (RSUs), performance units, performance shares and other equity-based awards to employees, directors and outside consultants. The ISOs and NSOs must be granted at a price per share less than the fair value of our common stock on the date of grant. Options granted to date generally vest over a four-year period with 25% vesting at the end of one year and the remaining vest monthly thereafter. Certain of the share-based awards granted and outstanding as of July 3, 2015, are subject to accelerated vesting upon a sale of the Company or similar changes in control. Options granted generally are exercisable up to 10 years. In fiscal year 2012, the Company began granting RSUs, which generally vest annually over one to five years. As of July 3, 2015, the Company had 9.1 million shares available for future grants under the 2012 Plan. The Mindspeed 2013 Plan, the Mindspeed 2003 Plan, the Mindspeed Directors Plan and certain inducement equity grants (collectively, the Mindspeed Plans) were assumed by the Company in connection with the Mindspeed Acquisition. No additional equity awards will be made under the Mindspeed Plans. 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 Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Cost of revenue $ 477 $ 646 $ 1,372 $ 1,355 Research and development 1,272 893 3,399 2,105 Selling, general and administrative 2,904 1,851 9,010 5,065 Total stock-based compensation expense $ 4,653 $ 3,390 $ 13,781 $ 8,525 Stock Options A summary of stock option activity for the nine months ended July 3, 2015, 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-October 3, 2014 948 $ 11.73 6.6 $ 10,015 Granted 225 34.10 Exercised (269 ) 9.26 Forfeited, canceled or expired (14 ) 22.62 Outstanding-July 3, 2015 890 $ 17.96 7.2 $ 16,779 Options vested and expected to vest as of July 3, 2015 819 $ 16.54 7.0 $ 16,593 Options vested and exercisable as of July 3, 2015 665 $ 12.49 6.3 $ 16,196 Aggregate intrinsic value represents the difference between the Company’s closing stock price on July 3, 2015 and the exercise price of outstanding, in-the-money options. The total intrinsic value of options exercised was $3.6 million for the nine months ended July 3, 2015. In April 2014, the Company granted stock options as to 405,000 shares of common stock with a grant date fair value of $3.5 million that are subject to vesting only upon the market price of the Company’s underlying public stock closing above a certain price target within ten years of the grant date. Due to the market condition upon which vesting is based, the fair value of the awards was estimated using a Monte Carlo simulation model. Compensation cost is recognized regardless of the number of awards that are earned based on the market condition. Compensation cost is recognized on a straight-line basis over the estimated service period of three years. In the event that the Company’s common stock achieves the target price of $32.55 per share prior to the end of the estimated service period, any remaining unamortized compensation cost will be recognized. These options are included in the table and other information above. On January 23, 2015, the Company’s common stock closed at a price of $34.79 per share, exceeding the target price of $32.55 per share, which resulted in the recognition of approximately $2.5 million of compensation expense in the current quarter. Accordingly, as of July 3, 2015, the majority of unrecognized compensation cost, adjusted for estimated forfeitures, related to unvested stock options was recognized during the quarter. On April 22, 2015 and May 5, 2015, the Company granted 225,000 performance-based stock options for shares of common stock with an aggregate grant date fair value of $2.0 million that are subject to vesting based on a service and individual performance targets. The Company used the Black-Scholes valuation model for estimating the fair value on the date of grant of $8.97 and $8.45 per option share on April 22, 2015 and May 5, 2015, respectively. The fair value of stock option awards is affected by valuation assumptions, including volatility, the Company’s stock price, expected term of the option, risk-free interest rate and expected dividends. The weighted-average assumptions used for calculating the fair value of stock options granted is as follows: Risk-free interest rate 1.2 % Expected term (years) 4 Expected volatility 30.8 % Expected dividends — % The performance-based stock options described above will vest and become exercisable in full if certain pre-established revenue and non-GAAP gross margin targets are met or exceeded in any period of four consecutive fiscal quarters completed during the term of the options. The stock options have a term of seven years, assuming continued employment with or services to the Company, and have an average exercise price of $34.10 and equal to the closing price of the Company’s common stock on the date of grant. Restricted Stock Awards and Units A summary of restricted stock and restricted stock unit activity for the nine months ended July 3, 2015, is as follows (in thousands): Number of Shares Weighted- Average Remaining Contractual Term (in years) Aggregate Intrinsic Value Unvested-October 3, 2014 1,720 2.6 $ 37,203 Granted 786 Vested and released (654 ) Forfeited, canceled or expired (86 ) Issued and unvested-July 3, 2015 1,766 1.6 $ 64,175 Shares expected to vest-July 3, 2015 1,505 1.5 $ 55,195 Performance-Based Restricted Stock Unit Awards (PRSU) On April 22, 2015 and May 5, 2015, the Company issued performance-based RSUs which were divided into three equal tranches with one tranche based on the Company’s non-GAAP earnings per share (EPS) growth during fiscal year 2015, one tranche based on non-GAAP EPS growth during fiscal years 2015-2016 and one tranche based on non-GAAP EPS growth during fiscal years 2015-2017. A participant may earn between 0% to 300% of the targeted shares for each tranche based on actual performance, and a straight-line interpolation will be applied for achievement between the specified performance ranges. Once earned, the performance-based RSUs will be settled in shares of the Company’s common stock, assuming continued employment with or services to the Company through the vest date of May 15th following each tranches performance criteria being met at period end. A summary of PRSU activity during the nine months ended July 3, 2015 is as follows: Non-vested Weighted-Average Non-vested shares at October 3, 2014 — — Granted 83,954 $ 34.39 Change due to performance condition achievement 251,862 $ 34.39 Vested — — Forfeited — — Non-vested shares at July 3, 2015 335,816 $ 34.39 The total fair value of restricted stock awards with time-based and performance vesting was $8.6 million for the nine months ended July 3, 2015. As of July 3, 2015, total unrecognized compensation cost, adjusted for estimated forfeitures, related to restricted stock and units with time-based and performance vesting was $39.1 million, which is expected to be recognized over the next 3.6 years. On April 22, 2015, the Company approved an amended and restated Change in Control Plan to exclude certain performance-based options and to increase the percentage by which outstanding performance-based equity awards, other than those specifically excluded) will be deemed earned in the event of a change in control, from 100% of target to 200% of targeted shares. Other share-based awards granted and outstanding as of July 3, 2015, are subject to accelerated vesting upon a sale of the Company or similar changes in control. The financial impact of any modifications to share-based awards during the periods presented was immaterial. Employee Stock Purchase Plan (ESPP) Under the Company’s ESPP plan eligible employees are allowed to purchase shares of the Company’s common stock at a discount through payroll deductions of up to 15% of their eligible compensation, subject to any plan limitations. As of July 3, 2015, total prorated compensation cost related to the ESPP has been recognized.

Income Taxes

Income Taxes	9 Months Ended
	Jul. 03, 2015
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 and nine months ended July 3, 2015 and July 4, 2014, was primarily impacted in all periods by changes in fair values of the common stock warrant liability which is neither deductible nor taxable for tax purposes, income taxed in foreign jurisdictions at generally lower tax rates and non-deductible compensation, offset by U.S. state income taxes. For the nine months ended July 3, 2015, the rate was also impacted by non-deductible merger expenses resulting from the BinOptics Acquisition. The balance of the unrecognized tax benefit as of July 3, 2015 and October 3, 2014 was $1.7 million and includes a $1.4 million reduction in current deferred tax assets and a $0.3 million increase in other long-term liabilities in the accompanying consolidated balance sheets. The entire balance of unrecognized tax benefits, if recognized, will reduce income tax expense. It is the Company’s policy to recognize any interest and penalties accrued related to unrecognized tax benefits in income tax expense. During the quarter ending July 3, 2015, the Company did not make any payment of tax-related interest and penalties. There was nothing accrued in the consolidated balance sheets for the payment of such interest and penalties at July 3, 2015 as the remaining unrecognized tax benefits would only serve to reduce the Company’s current federal and state NOL carryforwards, if ultimately recognized. As disclosed in Note 2 - Acquisition of BinOptics Corporation, the purchase accounting related to the acquisition of BinOptics includes preliminary income tax amounts subject to revision upon obtaining and analyzing all information. At the closing of the BinOptics Acquisition, BinOptics had, on a preliminary basis, federal net operating loss (NOL) carryforwards of approximately $44.0 million, which expire at various dates through 2034, and federal research and development tax credit carryforwards of $1.5 million. Although both the NOL and tax credit carryforwards are subject to change-in-control limitations within the Internal Revenue Code, we currently believe the limitation will not cause any of the carryforwards to expire unutilized. The aggregate net deferred income tax liability acquired in the BinOptics Acquisition is estimated to be $34.5 million arising from the BinOptics Acquisition, which includes a net deferred income tax asset of $16.9 million relating to NOL and tax credit carryforwards, and a net deferred income tax liability of $51.4 million related to the difference between the book and tax bases of the intangible and other assets acquired in the acquisition.

Related Party Transactions

Related Party Transactions	9 Months Ended
	Jul. 03, 2015
Related Party Transactions [Abstract]
Related Party Transactions	14. RELATED PARTY TRANSACTIONS GaAs Labs, a former stockholder and an affiliate of directors and then majority stockholders John and Susan Ocampo, engaged the Company to provide administrative and business development services 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 nine months ended July 4, 2014, the Company billed GaAs Labs $0.1 million for services provided pursuant to this agreement and has recorded these amounts as other income in the accompanying condensed consolidated statements of operations. In the three and nine months ended July 3, 2015, the Company recorded revenue of $0.2 million and $0.2 million, respectively, from sales of product to a privately-held company with a common director, compared to $0.1 million for the three and nine months ended July 4, 2014.

Supplemental Cash Flow Informat

Supplemental Cash Flow Information	9 Months Ended
	Jul. 03, 2015
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Information	15. SUPPLEMENTAL CASH FLOW INFORMATION As of July 3, 2015 and July 4, 2014, the Company had $0.8 million and $0.7 million, respectively, in unpaid amounts related to purchases of property and equipment included in accounts payable. 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 Cust

Geographic and Significant Customer Information	9 Months Ended
	Jul. 03, 2015
Segment Reporting [Abstract]
Geographic and Significant Customer Information	16. GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION The Company has one reportable operating segment which designs, develops, manufactures and markets semiconductors and modules. The determination of the number of reportable operating segments is based on the chief operating decision maker’s use of financial information for the purposes of assessing performance and making operating decisions. In evaluating financial performance and making operating decisions, the chief operating decision maker primarily uses consolidated revenue, gross profit and operating income (loss). Information about the Company’s operations in different geographic regions, based upon customer locations, is presented below (in thousands): Three Months Ended Nine Months Ended Revenue by Geographic Region July 3, July 4, July 3, July 4, United States $ 54,930 $ 52,126 $ 177,534 $ 156,931 International (1) 75,733 60,238 192,878 147,414 Total $ 130,663 $ 112,364 $ 370,412 $ 304,345 As of Long-Lived Assets by Geographic Region, excluding Intangibles July 3, October 3, United States $ 69,361 $ 42,031 International (2) 10,806 8,326 Total $ 80,167 $ 50,357 (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, which accounted for 11% at July 3, 2015 and 11% at October 3, 2014. The following is a summary of customer concentrations as a percentage of revenue and accounts receivable as of and for the periods presented: Three Months Nine Months Revenue July 3, July 4, July 3, July 4, Customer A 11 % 12 % 15 % 16 % Customer B 17 % 17 % 17 % 19 % Customer C 10 % 11 % 10 % 7 % As of Accounts Receivable July 3, October 3, Customer A 16 % 16 % Customer B 13 % 7 % Customer C 14 % 16 % 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 July 3, 2015 and July 4, 2014, ten customers represented 59% and 61% of total revenue, respectively. For the nine months ended July 3, 2015 and July 4, 2014, ten customers represented 60% and 61% of total revenue, respectively.

Subsequent Events

Subsequent Events	9 Months Ended
	Jul. 03, 2015
Subsequent Events [Abstract]
Subsequent Events	17. SUBSEQUENT EVENTS On July 16, 2015, the Company entered into a Stock Purchase Agreement (the Purchase Agreement), with Autoliv ASP Inc. (Autoliv), M/A-COM Technology Solutions Inc. (MACOM Solutions), a wholly owned subsidiary of the Company, and M/A-COM Auto Solutions Inc., a wholly-owned subsidiary of MACOM Solutions (MACOM Auto). On the terms and conditions set forth in the Purchase Agreement, the Company will divest its automotive module business (the Auto Business) to Autoliv through the sale of all of the issued and outstanding shares of capital stock of MACOM Auto for $100 million in cash, subject to customary working capital and other adjustments, plus up to an additional $30 million in cash in the form of an earn-out payment based on the achievement of certain revenue and customer order-based targets through September 30, 2019. At closing of the transaction, Autoliv will deposit $18 million of the purchase price with an escrow agent to be held in escrow for a period of 18 months following the closing to secure certain indemnification obligations of MACOM Solutions pursuant to the Purchase Agreement. The Company currently expects the transaction to close in its fourth fiscal quarter of 2015.

Description of Business, Basi24

Description of Business, Basis of Presentation and Accounting (Policies)	9 Months Ended
	Jul. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business— The Company has one reportable operating segment which designs, develops, manufactures and markets semiconductors and modules.
Basis of Presentation	Basis of Presentation— Under the Jumpstart Our Business Startups Act (JOBS Act), the Company qualifies as an emerging growth company. Accordingly, 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. We expect to cease being an emerging growth company and become a large accelerated filer at the end of fiscal year 2015, which will, among other things, require us to fully comply with Section 404 of the Sarbanes-Oxley Act of 2002 including obtaining an auditor attestation of our internal controls. 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 2015 is 52 weeks in length and the three and nine months ended July 3, 2015 include 13 and 26 weeks, respectively. Fiscal year 2014 was 53 weeks in length and the three and nine months ended July 4, 2014 include 13 and 27 weeks, respectively. The accompanying condensed consolidated financial statements are referred to as “consolidated” for all periods presented. On December 15, 2014, MACOM completed the acquisition of BinOptics Corporation (BinOptics), a supplier of high-performance photonic products (BinOptics Acquisition). The BinOptics Acquisition was accounted for as a purchase and the operations of BinOptics have been included in MACOM’s condensed consolidated financial statements since December 15, 2014, the date of acquisition. MACOM acquired Nitronex, LLC (Nitronex) in a common-control business combination on February 13, 2014 (Nitronex Acquisition). Nitronex, a supplier of high-performance gallium nitride (GaN) semiconductors for RF, microwave and millimeterwave applications, was acquired by GaAs Labs, LLC (GaAs Labs) on June 25, 2012. Prior to the Nitronex Acquisition, GaAs Labs was a stockholder in MACOM, and GaAs Labs, Nitronex and MACOM were considered to be under common control from June 25, 2012 through February 13, 2014 due to a common controlling stockholder. The accompanying consolidated financial statements for the three months and nine months ended April 4, 2014, combine MACOM’s historical consolidated financial statements with the historical financial statements of Nitronex from January 3, 2014 through April 4, 2014 and September 28, 2013 through April 4, 2014, and have been presented in a manner similar to a pooling-of-interests to include the results of operations of each business since the date of common control. On December 18, 2013, MACOM completed the acquisition of Mindspeed Technologies, Inc. (Mindspeed), a supplier of high-performance analog semiconductor solutions for communications infrastructure applications (Mindspeed Acquisition). The Mindspeed Acquisition was accounted for as a purchase, and the operations of Mindspeed have been included in MACOM’s consolidated financial statements since December 18, 2013, the date of acquisition. These consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended October 3, 2014, filed with the SEC on December 9, 2014. In the opinion of management, the accompanying unaudited 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 2015.
Principles of Consolidation	Principles of Consolidation—
Use of Estimates	Use of Estimates—
Discontinued Operations	Discontinued Operations—
Foreign Currency Translation and Remeasurement	Foreign Currency Translation and Remeasurement— The financial statements of the Company’s foreign operations where the functional currency is the U.S. dollar, but where the underlying transactions are transacted in a different currency, are re-measured at the exchange rate in effect at the balance sheet date with respect to monetary assets and liabilities. Nonmonetary assets and liabilities, such as inventories and property and equipment and related statements of operations accounts, such as cost of revenue and depreciation, are remeasured at historical exchange rates. Revenue and expenses, other than cost of revenue, amortization and depreciation, are translated at the average exchange rate for the period in which the transaction occurred. The net gains (losses) on foreign currency remeasurement are reflected in selling, general and administrative expense in the accompanying Condensed Consolidated Statements of Operations. The Company’s recognized net gains and losses on foreign exchange are included in selling, general and administrative expense and for all periods presented were immaterial.
Revenue Recognition	Revenue Recognition— The Company generally does not provide customers other than distributors the right to return product, with the exception of warranty related matters. Accordingly, the Company does not typically maintain a reserve for customers. Shipping and handling fees billed to customers are recorded as revenue while the related costs are classified as a component cost of revenue. The Company provides warranties for its products and accrues the cost of warranty claims in the period the related revenue is recorded. Prior to fiscal 2015, the Company had concluded that it had insufficient information as well as limited experience in estimating the effect of the right of distributors to return product and price protection and, accordingly, used the sell through approach of revenue recognition. Under this approach, the Company would recognize revenue from sales after the distributor resold the product to its end customer (the sell through basis). After concluding an extensive three year study of distributor related transactions, the Company completed an evaluation of its revenue recognition policy and concluded that it was more appropriate to recognize revenue to distributors at the time of shipment to the distributor (sell-in basis). The Company believes it now has sufficient data to predict future price adjustments from distributors and has a basis of being able to reasonably estimate these future price adjustments. On a consolidated basis, revenue from distribution customers impacted by the change in estimate accounts for approximately 10-15% of total consolidated revenue. Certain agreements with distribution customers provide for rights of return and compensation credits until such time as the Company’s products are sold by the distributors to their end customers. The Company has agreements with some distribution customers for various programs, including compensation, volume-based pricing, obsolete inventory, new products and stock rotation. Sales to these distribution customers, as well as the existence of compensation programs, are in accordance with terms set forth in written agreements with these distribution customers. In general, credits allowed under these programs are capped based upon individual distributor agreements. The Company records charges associated with these programs as a reduction of revenue at the time of sale with a corresponding adjustment to accounts receivable based upon historical activity. The Company’s policy is to use a 12 month rolling historical experience rate as well as an estimated general reserve percentage in order to estimate the necessary allowance to be recorded. The Company changed its revenue recognition policy from a sell through to a sell-in approach during the first fiscal quarter of 2015. The Company recognizes revenue when criteria for ASC 605-15-25 are met. During the first fiscal quarter of 2015, the Company recorded corresponding adjustments related to this change in estimate to recognize previously deferred revenues. The net effect was an increase of $15.1 million, of which $12.4 million was from previously deferred revenue and $2.7 million was related to the change in distributor inventories. Additionally, the Company recognized the related deferred inventory costs of $4.7 million which resulted in a reduction to net loss of $8.5 million, or a reduction of $0.18 net loss per share when the change in estimate was recorded. During the three months ended July 3, 2015, this change in estimate resulted in decreased revenue of $1.3 million and a net loss of $0.6 million, or $0.01 loss per share, respectively. During the nine months ended July 3, 2015, this change in estimate resulted in revenue of $17.5 million and a reduction in net loss of $9.4 million, or a reduction of $0.18 net loss per share, respectively. The Company also established a new reserve of $5.5 million during the first quarter of fiscal year 2015 which was increased to $6.2 million for the quarter ended July 3, 2015 related to future rebates and returns under various programs associated with our distributor agreements. The amount of this reserve is largely driven by the individual distribution agreements and the Company’s business strategy whereby the Company will invoice the distributor at “list price”. The Company expects to issue compensation credits consistent with the distributor agreements. The difference between the list price and distributor selling price will vary by product grouping consistent with historical trends and marketing strategies. Historically, 90 percent of the credits issued to distributors are based on “list price” credits and 10 percent of the credits were for product returns and stock rotation rights, based upon the 12 month rolling historical experience rate. The table below shows the changes in gross and net distributor revenue and reserve balances associated with the change in estimate for the three and nine months ended July 3, 2015 (in millions): Three Months Ended Nine January 2, April 3, July 3, July 3, Gross revenue effect of one-time change in estimate (1) $ 17.0 — — $ 17.0 Gross revenue effect associated with change in estimate (2) 3.6 4.7 (1.7 ) 6.6 Total gross revenue resulting from change in estimate $ 20.6 $ 4.7 $ (1.7 ) $ 23.6 Net revenue effect of one-time change in estimate (3) 12.4 — — 12.4 Net revenue effect associated with change in estimate (4) 2.7 3.7 (1.3 ) 5.1 Total net revenue resulting from change in estimate $ 15.1 $ 3.7 $ (1.3 ) $ 17.5 Reserve for future returns and credits (5) $ (5.5 ) $ (1.0 ) $ 0.3 $ (6.2 ) (1) This amount was recorded as deferred revenue as of October 2, 2014. (2) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period. (3) This amount represents the net revenue impact of the one-time change in estimate after applying the associated reserve for future credits and returns. (4) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period after applying the associated reserve for future credits and returns. (5) This amount reflects the change in the revenue reserve for future returns and credits. The balance as of July 3, 2015 is $6.2 million.
Property, Plant and Equipment	Property, Plant and Equipment— Property and equipment are depreciated or amortized using the straight-line method over the following estimated useful lives: Asset Classification Estimated Useful Life In Years Buildings and improvements 40 Machinery and equipment 2 – 7 Computer equipment and software 2 – 5 Furniture and fixtures 7 – 10 Leasehold improvements Shorter of useful life or term of lease
Other Income	Other Income
Recent Accounting Standards	Recent Accounting Standards— Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers In June 2014, the FASB issued ASU 2014-12— Compensation—Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force) In February 2015, the FASB issued ASU 2015-02, Consolidation: Amendments to the Consolidation Analysis. In April 2015, the FASB issued ASU 2015-03, Interest—Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs.

Description of Business, Basi25

Description of Business, Basis of Presentation and Accounting (Tables)	9 Months Ended
	Jul. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Changes in Gross and Net Distributor Revenue and Reserve Balances Associated With Change in Estimate	The table below shows the changes in gross and net distributor revenue and reserve balances associated with the change in estimate for the three and nine months ended July 3, 2015 (in millions): Three Months Ended Nine January 2, April 3, July 3, July 3, Gross revenue effect of one-time change in estimate (1) $ 17.0 — — $ 17.0 Gross revenue effect associated with change in estimate (2) 3.6 4.7 (1.7 ) 6.6 Total gross revenue resulting from change in estimate $ 20.6 $ 4.7 $ (1.7 ) $ 23.6 Net revenue effect of one-time change in estimate (3) 12.4 — — 12.4 Net revenue effect associated with change in estimate (4) 2.7 3.7 (1.3 ) 5.1 Total net revenue resulting from change in estimate $ 15.1 $ 3.7 $ (1.3 ) $ 17.5 Reserve for future returns and credits (5) $ (5.5 ) $ (1.0 ) $ 0.3 $ (6.2 ) (1) This amount was recorded as deferred revenue as of October 2, 2014. (2) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period. (3) This amount represents the net revenue impact of the one-time change in estimate after applying the associated reserve for future credits and returns. (4) This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period after applying the associated reserve for future credits and returns. (5) This amount reflects the change in the revenue reserve for future returns and credits. The balance as of July 3, 2015 is $6.2 million.
Schedule of Estimated Useful Life	Property and equipment are depreciated or amortized using the straight-line method over the following estimated useful lives: Asset Classification Estimated Useful Life In Years Buildings and improvements 40 Machinery and equipment 2 – 7 Computer equipment and software 2 – 5 Furniture and fixtures 7 – 10 Leasehold improvements Shorter of useful life or term of lease

Acquisitions (Tables)

Acquisitions (Tables)	9 Months Ended
	Jul. 03, 2015
BinOptics Corporation [Member]
Schedule of Aggregate Purchase Price Allocated to Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed	The aggregate purchase price for BinOptics 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. The excess of the purchase price over the fair value of the acquired net assets represents cost and revenue synergies specific to the Company, as well as non-capitalizable intangible assets, such as the employee workforce acquired, and has been allocated to goodwill, none of which is tax deductible. The Company expects to finalize its allocation of purchase price within 12 months of December 15, 2014. The preliminary allocation of purchase price as of July 3, 2015, is as follows (in thousands): Original Allocation July 3, 2015 Current assets $ 41,836 $ (15,373 ) $ 26,463 Intangible assets 135,254 (554 ) 134,700 Other assets 14,090 (4,900 ) 9,190 Total assets acquired 191,180 (20,827 ) 170,353 Liabilities assumed: Debt 1,491 1,044 2,535 Deferred income taxes 37,745 (3,227 ) 34,518 Other liabilities 12,810 153 12,963 Total liabilities assumed 52,046 (2,030 ) 50,016 Net assets acquired 139,134 (18,797 ) 120,337 Consideration: Cash paid upon closing, net of cash acquired 224,114 (15,762 ) 208,352 Goodwill $ 84,980 $ 3,035 $ 88,015
Schedule of Reclassification of Allocation Adjustments in Purchase Price Allocation	The $15,762 of allocation adjustments shown above in the “Cash paid upon closing, net of cash acquired” caption consists of the following (in thousands): Cash paid upon Original Allocation $ 224,114 Reclassification of prepaid compensation (14,586 ) Reclassification of assumed capital lease debt (1,044 ) Reclassification of escrow fees (17 ) Cash received from acquiree related to working capital true-up (115 ) Allocation Adjustments (15,762 ) Adjusted Allocations at July 3, 2015 $ 208,352
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): Amount Useful Lives Developed technology $ 17,500 7 Customer relationships 117,200 10 $ 134,700
Summary of Revenue and Earnings	The following is a summary of BinOptics revenue and earnings included in MACOM’s accompanying condensed consolidated statements of operations for the three and nine months ended July 3, 2015 (in thousands): Three Months July 3, 2015 Nine Months Revenue $ 20,186 $ 39,393 Income (loss) before income taxes 1,980 (3,455 )
Summary of Unaudited 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. Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Revenue $ 130,663 $ 126,662 $ 382,279 $ 335,821 Net income (loss) 13,178 4,134 2,317 (34,817 )
Mindspeed Acquisition [Member]
Schedule of Aggregate Purchase Price Allocated to Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed	The final allocation of purchase price is as follows (in thousands): Amount Current assets $ 50,612 Intangible assets 138,663 Deferred income taxes 92,881 Other assets 31,788 Total assets acquired 313,944 Liabilities assumed: Current liabilities 35,270 Debt 40,177 Other liabilities 5,865 Total liabilities assumed 81,312 Net assets acquired 232,632 Consideration: Cash paid upon closing, net of cash acquired 232,028 Fair value of vested awards assumed in acquisition 785 Total consideration 232,813 Goodwill $ 181
Components of Acquired Intangible Assets on a Preliminary Basis	The components of the acquired intangible assets were as follows (in thousands): Amount Useful Lives Developed technology $ 109,263 7 Customer relationships 11,430 10 In-process research and development 17,970 N/A $ 138,663
Summary of Revenue and Earnings	The following is a summary of Mindspeed’s revenue and earnings included in MACOM’s accompanying condensed consolidated statements of operations for the nine months ended July 4, 2014 (in thousands): Nine Months Ended Revenue $ 64,765 Loss from continuing operations before income taxes and restructuring charges (18,534 )
Summary of Unaudited 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. Nine Months Ended Revenue $ 323,801 Net loss (27,051 )
Summary of Operating Results Through Dates of Divestitures Related to Divested Business	The accompanying consolidated statement of operations for the three and nine months ended July 3, 2015 and July 4, 2014, includes the following operating results related to the divested wireless business (in thousands): Three Months Ended Nine Months Ended Revenue $ — $ 2,440 Loss before income taxes — (7,381 ) Benefit for income taxes — 2,776 Loss from discontinued operations — (4,605 )

Financial Instruments (Tables)

Financial Instruments (Tables)	9 Months Ended
	Jul. 03, 2015
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on Recurring Basis	The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of July 3, 2015 (in thousands): July 3, 2015 Fair Value Active Markets for Identical Assets (Level 1) Observable Inputs (Level 2) Unobservable Inputs (Level 3) Assets Trading securities $ 500 $ — $ — $ 500 Total assets measured at fair value $ 500 $ — $ — $ 500 Liabilities Contingent consideration $ 820 $ — $ — $ 820 Common stock warrant liability 31,472 — — 31,472 Total liabilities measured at fair value $ 32,292 $ — $ — $ 32,292 October 3, 2014 Fair Value Active Markets for Identical Assets (Level 1) Observable Inputs (Level 2) Unobservable Inputs (Level 3) Assets Trading securities $ 250 $ — $ — $ 250 Total assets measured at fair value $ 250 $ — $ — $ 250 Liabilities Contingent consideration $ 820 $ — $ — $ 820 Common stock warrant liability 15,801 — — 15,801 Total liabilities measured at fair value $ 16,621 $ — $ — $ 16,621
Changes in Assets and Liabilities with Inputs Classified within Level 3 of Fair Value	The changes in assets and liabilities with inputs classified within Level 3 of the fair value hierarchy consist of the following (in thousands): Three Months Ended July 3, 2015 April 3, 2015 Net Realized/ Unrealized Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 3, 2015 Trading securities $ 500 $ — $ — $ — $ — $ 500 Contingent consideration $ 820 $ — $ — $ — $ — $ 820 Common stock warrant liability $ 32,018 $ 546 $ — $ — $ — $ 31,472 Three Months Ended July 4, 2014 April 4, Net Realized/ Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 4, 2014 Trading securities $ 250 $ — $ — $ — $ — $ 250 Common stock warrant liability $ 14,657 $ 2,782 $ — $ — $ — $ 17,439 Nine Months Ended July 3, 2015 October 3, 2014 Net Realized/ Unrealized Losses (Gains) Included in Earnings Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 3, 2015 Trading securities $ 250 $ — $ 250 $ — $ — $ 500 Contingent consideration $ 820 $ — $ — $ — $ — $ 820 Common stock warrant liability $ 15,801 $ 15,671 $ — $ — $ — $ 31,472 Nine Months Ended July 4, 2014 September 27, Net Realized/ Losses (Gains) Included in Purchases and Issuances Sales and Settlements Transfers in and/or (out) of Level 3 July 4, 2014 Trading securities $ — $ — $ 250 $ — $ — $ 250 Common stock warrant liability $ 11,873 $ 5,566 $ — $ — $ — $ 17,439

Inventories (Tables)

Inventories (Tables)	9 Months Ended
	Jul. 03, 2015
Inventory Disclosure [Abstract]
Components of Net Inventories	Net inventories consist of the following (in thousands): July 3, 2015 October 3, 2014 Raw materials $ 45,851 $ 34,919 Work-in-process 4,218 5,500 Finished goods 34,304 33,153 Total $ 84,373 $ 73,572

Property, Plant and Equipment (

Property, Plant and Equipment (Tables)	9 Months Ended
	Jul. 03, 2015
Property, Plant and Equipment [Abstract]
Components of Property and Equipment	Property and equipment consists of the following (in thousands): July 3, 2015 October 3, 2014 Land, buildings and improvements $ 11,336 $ — Machinery and equipment 84,237 68,438 Leasehold improvements 6,882 7,998 Furniture and fixtures 940 1,017 Construction in process 26,324 12,918 Computer equipment and software 8,819 7,758 Total property and equipment 138,538 98,129 Less accumulated depreciation and amortization (58,371 ) (47,772 ) Property and equipment, net $ 80,167 $ 50,357

Debt (Tables)

Debt (Tables)	9 Months Ended
	Jul. 03, 2015
Debt Disclosure [Abstract]
Schedule of Remained Outstanding on Term Loans	As of July 3, 2015, the following remained outstanding on the Term Loans: Principal balance $ 346,500 Unamortized discount (2,187 ) Total Term Loans 344,313 Current portion 3,500 Long-term, less current portion $ 340,813
Schedule of Minimum Principal Payments under Term Loans	As of July 3, 2015, the minimum principal payments under the Term Loans in future fiscal years was as follows (in thousands): 2015 (rest of fiscal year) $ 875 2016 3,500 2017 3,500 2018 3,500 2019 3,500 2020 3,500 Thereafter 328,125 Total $ 346,500

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	9 Months Ended
	Jul. 03, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Amortization Expense of Intangible Assets	Amortization expense related to intangible assets is as follows (in thousands): Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Cost of revenue $ 6,932 $ 6,270 $ 19,638 $ 14,292 Selling, general and administrative 3,201 505 7,350 1,374 Total $ 10,133 $ 6,775 $ 26,988 $ 15,666
Summary of Intangible Assets	Intangible assets consist of the following (in thousands): July 3, 2015 October 3, 2014 Acquired technology $ 161,385 $ 131,953 Customer relationships 141,870 24,670 In-process research and development 8,190 17,970 Trade name 3,400 3,400 Total 314,845 177,993 Less accumulated amortization (62,349 ) (35,360 ) Intangible assets—net $ 252,496 $ 142,633
Summary of 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 Trade Goodwill Balance at October 3, 2014 $ 188,777 $ 131,953 $ 24,670 $ 17,970 $ 3,400 $ 10,784 BinOptics Acquisition 222,715 17,500 117,200 — — 88,015 Transfer to in service — 9,780 — (9,780 ) — — Other intangibles purchased 2,152 2,152 — — — — Balance at July 3, 2015 $ 413,644 $ 161,385 $ 141,870 $ 8,190 $ 3,400 $ 98,799
Summary of Estimated Amortization of Intangible Assets in Future Fiscal Years	As of July 3, 2015, estimated amortization of the intangible assets in future fiscal years, subject to the completion of the purchase price allocation for the BinOptics Acquisition, was as follows (in thousands): 2015 (rest of 2016 2017 2018 2019 Thereafter Total Amortization expense $ 10,240 35,080 35,597 34,239 32,514 93,191 $ 240,861

Income (Loss) Per Share (Tables

Income (Loss) Per Share (Tables)	9 Months Ended
	Jul. 03, 2015
Earnings Per Share [Abstract]
Computation for Basic and Diluted Net Income (Loss) Per Share of Common Stock	The following table sets forth the computation for basic and diluted net income (loss) per share of common stock (in thousands, except per share data): Three Months Ended Nine Months Ended July 3, 2015 July 4, 2014 July 3, 2015 July 4, 2014 Numerator: Net income (loss) $ 8,027 $ 1,183 $ (5,817 ) $ (29,860 ) Denominator: Weighted average common shares outstanding-basic 53,098 47,280 50,433 46,856 Dilutive effect of options, restricted stock and warrants 2,077 1,244 — — Weighted average common shares outstanding-diluted 55,175 48,524 50,433 46,856 Common stock loss per share: Basic $ 0.15 $ 0.03 $ (0.12 ) $ (0.64 ) Diluted $ 0.15 $ 0.02 $ (0.12 ) $ (0.64 )

Restructurings (Tables)

Restructurings (Tables)	9 Months Ended
	Jul. 03, 2015
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 primarily related to restructuring actions taken by the Company (in thousands): Balance as of October 3, 2014 $ 801 Net pre-tax restructuring charges 971 Utilization (909 ) Balance as of July 3, 2015 $ 865

Share-Based Compensation (Table

Share-Based Compensation (Tables)	9 Months Ended
	Jul. 03, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Nonemployees	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 Nine Months Ended July 3, July 4, July 3, July 4, Cost of revenue $ 477 $ 646 $ 1,372 $ 1,355 Research and development 1,272 893 3,399 2,105 Selling, general and administrative 2,904 1,851 9,010 5,065 Total stock-based compensation expense $ 4,653 $ 3,390 $ 13,781 $ 8,525
Summary of Stock Option Activity	A summary of stock option activity for the nine months ended July 3, 2015, is as follows (in thousands, except per share amounts): Number of Weighted- Weighted- Average Remaining Contractual Term (in years) Aggregate Intrinsic Value Outstanding-October 3, 2014 948 $ 11.73 6.6 $ 10,015 Granted 225 34.10 Exercised (269 ) 9.26 Forfeited, canceled or expired (14 ) 22.62 Outstanding-July 3, 2015 890 $ 17.96 7.2 $ 16,779 Options vested and expected to vest as of July 3, 2015 819 $ 16.54 7.0 $ 16,593 Options vested and exercisable as of July 3, 2015 665 $ 12.49 6.3 $ 16,196
Weighted Average Assumptions used for Calculating Fair Value of Stock Options Granted	The weighted-average assumptions used for calculating the fair value of stock options granted is as follows: Risk-free interest rate 1.2 % Expected term (years) 4 Expected volatility 30.8 % Expected dividends — %
Summary of Restricted Stock and Restricted Stock Units Activity	A summary of restricted stock and restricted stock unit activity for the nine months ended July 3, 2015, is as follows (in thousands): Number of Shares Weighted- Average Remaining Contractual Term (in years) Aggregate Intrinsic Value Unvested-October 3, 2014 1,720 2.6 $ 37,203 Granted 786 Vested and released (654 ) Forfeited, canceled or expired (86 ) Issued and unvested-July 3, 2015 1,766 1.6 $ 64,175 Shares expected to vest-July 3, 2015 1,505 1.5 $ 55,195
Summary of Performance-Based Restricted Stock Unit Activity	A summary of PRSU activity during the nine months ended July 3, 2015 is as follows: Non-vested Weighted-Average Non-vested shares at October 3, 2014 — — Granted 83,954 $ 34.39 Change due to performance condition achievement 251,862 $ 34.39 Vested — — Forfeited — — Non-vested shares at July 3, 2015 335,816 $ 34.39

Geographic and Significant Cu35

Geographic and Significant Customer Information (Tables)	9 Months Ended
	Jul. 03, 2015
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 Nine Months Ended Revenue by Geographic Region July 3, July 4, July 3, July 4, United States $ 54,930 $ 52,126 $ 177,534 $ 156,931 International (1) 75,733 60,238 192,878 147,414 Total $ 130,663 $ 112,364 $ 370,412 $ 304,345 As of Long-Lived Assets by Geographic Region, excluding Intangibles July 3, October 3, United States $ 69,361 $ 42,031 International (2) 10,806 8,326 Total $ 80,167 $ 50,357 (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, which accounted for 11% at July 3, 2015 and 11% at October 3, 2014.
Summary of Customer Concentrations as Percentage of Total Sales and Accounts Receivable	The following is a summary of customer concentrations as a percentage of revenue and accounts receivable as of and for the periods presented: Three Months Nine Months Revenue July 3, July 4, July 3, July 4, Customer A 11 % 12 % 15 % 16 % Customer B 17 % 17 % 17 % 19 % Customer C 10 % 11 % 10 % 7 % As of Accounts Receivable July 3, October 3, Customer A 16 % 16 % Customer B 13 % 7 % Customer C 14 % 16 %

Description of Business, Basi36

Description of Business, Basis of Presentation and Accounting - Additional Information (Detail) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended
	Jul. 03, 2015USD ($)$ / shares	Apr. 03, 2015USD ($)	Jan. 02, 2015USD ($)$ / shares	Jul. 04, 2014USD ($)$ / shares	Jul. 03, 2015USD ($)Segment$ / shares	Jul. 04, 2014USD ($)$ / shares	Oct. 03, 2014USD ($)
Description Of Business And Basis Of Presentation [Line Items]
Number of reportable operating segment | Segment					1
Reporting period description					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 2015 is 52 weeks in length and the three and nine months ended July 3, 2015 include 13 and 26 weeks, respectively. Fiscal year 2014 was 53 weeks in length and the three and nine months ended July 4, 2014 include 13 and 27 weeks, respectively.
Net revenue	$ 130,663			$ 112,364	$ 370,412	$ 304,345
Net loss	$ 8,027			$ 1,183	$ (5,817)	$ (29,860)
Earnings per share | $ / shares	$ 0.15			$ 0.03	$ (0.12)	$ (0.64)
Deferred inventory costs	$ 84,373				$ 84,373		$ 73,572
Allowance for Sales Returns [Member]
Description Of Business And Basis Of Presentation [Line Items]
Reserve for future rebates and returns	6,200		$ 5,500		6,200
Other Income [Member]
Description Of Business And Basis Of Presentation [Line Items]
Litigation settlement amount received	4,000
Allocation Adjustments [Member]
Description Of Business And Basis Of Presentation [Line Items]
Net revenue	(1,300)	$ 3,700	15,100		17,500
Net loss	$ (600)		$ (8,500)		$ (9,400)
Earnings per share | $ / shares	$ (0.01)		$ (0.18)		$ (0.18)
Deferred inventory costs			$ 4,700
Allocation Adjustments [Member] | Deferred Revenue [Member]
Description Of Business And Basis Of Presentation [Line Items]
Net revenue			12,400
Allocation Adjustments [Member] | Distributor Revenue [Member]
Description Of Business And Basis Of Presentation [Line Items]
Net revenue			$ 2,700
Nitronex LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Date of acquisition					Feb. 13, 2014

Description of Business, Basi37

Description of Business, Basis of Presentation and Accounting - Changes in Gross and Net Distributor Revenue and Reserve Balances Associated with Chane in Estimate (Detail) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Change in Accounting Estimate [Line Items]
Total net revenue resulting from change in estimate		$ 130,663			$ 112,364	$ 370,412	$ 304,345
Allocation Adjustments [Member]
Change in Accounting Estimate [Line Items]
Total gross revenue resulting from change in estimate		(1,700)	$ 4,700	$ 20,600		23,600
Total net revenue resulting from change in estimate		(1,300)	3,700	15,100		17,500
Reserve for future returns and credits	[1]	300	(1,000)	(5,500)		(6,200)
Allocation Adjustments [Member] | One-time Change In Estimate [Member]
Change in Accounting Estimate [Line Items]
Total gross revenue resulting from change in estimate	[2]			17,000		17,000
Total net revenue resulting from change in estimate	[3]			12,400		12,400
Allocation Adjustments [Member] | Change in Accounting Method Accounted for as Change in Estimate [Member]
Change in Accounting Estimate [Line Items]
Total gross revenue resulting from change in estimate	[4]	(1,700)	4,700	3,600		6,600
Total net revenue resulting from change in estimate	[5]	$ (1,300)	$ 3,700	$ 2,700		$ 5,100
[1]	This amount reflects the change in the revenue reserve for future returns and credits. The balance as of July 3, 2015 is $6.2 million.
[2]	This amount was recorded as deferred revenue as of October 2, 2014.
[3]	This amount represents the net revenue impact of the one-time change in estimate after applying the associated reserve for future credits and returns.
[4]	This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period.
[5]	This amount represents the impact of the change in estimate associated with increases in distributor inventories as compared to the prior reporting period after applying the associated reserve for future credits and returns.

Description of Business, Basi38

Description of Business, Basis of Presentation and Accounting - Changes in Gross and Net Distributor Revenue and Reserve Balances Associated with Chane in Estimate (Parenthetical) (Detail) - USD ($) $ in Millions	Jul. 03, 2015	Jan. 02, 2015
Allowance for Sales Returns [Member]
Change in Accounting Estimate [Line Items]
Revenue reserve for future returns and credits	$ 6.2	$ 5.5

Description of Business, Basi39

Description of Business, Basis of Presentation and Accounting - Schedule of Estimated Useful Life (Detail)	1 Months Ended	9 Months Ended
	Jun. 30, 2015	Jul. 03, 2015
Building and Improvements [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life	40 years	40 years
Leasehold Improvements [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		Shorter of useful life or term of lease
Minimum [Member] | Machinery and Equipment [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		2 years
Minimum [Member] | Computer Equipment and Software [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		2 years
Minimum [Member] | Furniture and Fixtures [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		7 years
Maximum [Member] | Machinery and Equipment [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		7 years
Maximum [Member] | Computer Equipment and Software [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		5 years
Maximum [Member] | Furniture and Fixtures [Member]
Property Plant And Equipment Estimated Useful Lives [Line Items]
Property plant and equipment, Estimated Useful Life		10 years

Acquisitons - Additional Inform

Acquisitons - Additional Information (Detail)	Nov. 17, 2014USD ($)	Feb. 13, 2014USD ($)	Jul. 03, 2015USD ($)$ / shares	Jan. 02, 2015USD ($)	Jan. 03, 2014USD ($)Business	Jul. 03, 2015USD ($)$ / shares	Jul. 04, 2014USD ($)	Oct. 31, 2014USD ($)	Oct. 03, 2014USD ($)	Dec. 18, 2013$ / shares
Business Acquisition [Line Items]
Outstanding shares of common stock, par value | $ / shares			$ 0.001			$ 0.001
Purchase price of acquisition						$ 208,352,000	$ 258,108,000
Business acquisition, intangible assets						222,715,000
Contingent purchase price, maximum			$ 1,500,000			1,500,000			$ 1,500,000
Goodwill acquired, deductible for tax purpose									1,700,000
Equity interest in privately held U.S. based company								$ 5,000,000
Impairment charge						3,500,000
Proceeds from sale of minority equity investment			1,500,000
Other Expense [Member]
Business Acquisition [Line Items]
Impairment charge			3,500,000			3,500,000
Convertible Debt [Member]
Business Acquisition [Line Items]
Minority investment in the convertible debt						$ 200,000			300,000
Nitronex LLC [Member]
Business Acquisition [Line Items]
Date of acquisition						Feb. 13, 2014
Business acquisition cost of acquired entity, cash paid		$ 26,100,000
Escrow deposit		$ 3,900,000
Escrow agreement expiration period						2015-08
Mindspeed Acquisition [Member]
Business Acquisition [Line Items]
Date of acquisition						Dec. 18, 2013
Aggregate consideration payable				$ 232,813,000
Business combination acquisition related costs								$ 4,500,000
Weighted-average life of identified intangible assets acquired						7 years 3 months 18 days
Outstanding shares of common stock, par value | $ / shares										$ 0.01
Outstanding shares of common stock at a purchase price per share | $ / shares										$ 5.05
Purchase price of acquisition				232,028,000		$ 232,000,000
Liabilities and incurred costs			81,300,000	81,312,000		81,300,000
Goodwill acquired, tax deductible			0			0
The fair value of the assumed options and stock awards			4,100,000			4,100,000
Stock option vested			800,000	$ 785,000		800,000
Business acquisition, intangible assets						138,663,000
BinOptics Corporation [Member]
Business Acquisition [Line Items]
Date of acquisition	Dec. 15, 2014
Aggregate consideration payable	$ 208,400,000
Business combination cash on hand and incurrence of additional borrowing	100,000,000
Business combination acquisition related costs						4,200,000
Adjusted Allocations						$ (15,762,000)
Weighted-average life of identified intangible assets acquired						9 years 7 months 6 days
Purchase price of acquisition						$ 208,352,000
Liabilities and incurred costs			50,016,000			50,016,000
Business acquisition, intangible assets						134,700,000
BinOptics Corporation [Member] | Allocation Adjustments [Member]
Business Acquisition [Line Items]
Adjusted Allocations						(15,762,000)
Purchase price of acquisition						(15,762,000)
Liabilities and incurred costs			$ (2,030,000)			$ (2,030,000)
BinOptics Corporation [Member] | Retention Escrow Agreement [Member]
Business Acquisition [Line Items]
Aggregate consideration payable	$ 14,600,000
I.K.E., Incorporated (IKE Micro) and Photonic Controls, LLC (Photonic Controls) [Member]
Business Acquisition [Line Items]
Aggregate consideration payable					$ 2,800,000
Number of Businesses Acquired | Business					2
Other Acquisitions [Member]
Business Acquisition [Line Items]
Business acquisition, goodwill									3,900,000
Business acquisition, intangible assets									1,600,000
Other Acquisitions [Member] | Minimum [Member]
Business Acquisition [Line Items]
Weighted-average life of identified intangible assets acquired						7 years
Other Acquisitions [Member] | Maximum [Member]
Business Acquisition [Line Items]
Weighted-average life of identified intangible assets acquired						10 years
Photonic Controls [Member]
Business Acquisition [Line Items]
Contingent consideration liability									$ 800,000

Acquisitions - Schedule of Aggr

Acquisitions - Schedule of Aggregate Purchase Price Allocated to Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Nov. 17, 2014	Jan. 02, 2015	Jul. 03, 2015	Jul. 04, 2014	Oct. 03, 2014
Consideration:
Cash paid upon closing, net of cash acquired			$ 208,352	$ 258,108
Goodwill			98,799		$ 10,784
BinOptics Corporation [Member]
Business Acquisition [Line Items]
Current assets			26,463
Intangible assets			134,700
Other assets			9,190
Total assets acquired			170,353
Liabilities assumed:
Debt			2,535
Deferred income taxes			34,518
Other liabilities			12,963
Total liabilities assumed			50,016
Net assets acquired			120,337
Consideration:
Cash paid upon closing, net of cash acquired			208,352
Total consideration	$ 208,400
Goodwill			88,015
BinOptics Corporation [Member] | Original Allocation [Member]
Business Acquisition [Line Items]
Current assets			41,836
Intangible assets			135,254
Other assets			14,090
Total assets acquired			191,180
Liabilities assumed:
Debt			1,491
Deferred income taxes			37,745
Other liabilities			12,810
Total liabilities assumed			52,046
Net assets acquired			139,134
Consideration:
Cash paid upon closing, net of cash acquired			224,114
Goodwill			84,980
BinOptics Corporation [Member] | Allocation Adjustments [Member]
Business Acquisition [Line Items]
Current assets			(15,373)
Intangible assets			(554)
Other assets			(4,900)
Total assets acquired			(20,827)
Liabilities assumed:
Debt			1,044
Deferred income taxes			(3,227)
Other liabilities			153
Total liabilities assumed			(2,030)
Net assets acquired			(18,797)
Consideration:
Cash paid upon closing, net of cash acquired			(15,762)
Goodwill			3,035
Mindspeed Acquisition [Member]
Business Acquisition [Line Items]
Current assets		$ 50,612
Intangible assets		138,663
Deferred income taxes		92,881
Other assets		31,788
Total assets acquired		313,944
Liabilities assumed:
Current liabilities		35,270
Debt		40,177
Other liabilities		5,865
Total liabilities assumed		81,312	81,300
Net assets acquired		232,632
Consideration:
Cash paid upon closing, net of cash acquired		232,028	232,000
Fair value of vested awards assumed in acquisition		785	$ 800
Total consideration		232,813
Goodwill		$ 181

Acquisitions - Schedule of Recl

Acquisitions - Schedule of Reclassification of Allocation Adjustments in Purchase Price Allocation (Detail) - USD ($) $ in Thousands	9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014
Business Acquisition [Line Items]
Cash paid upon closing, net of cash acquired	$ 208,352	$ 258,108
BinOptics Corporation [Member]
Business Acquisition [Line Items]
Original Allocation	224,114
Reclassification of prepaid compensation	(14,586)
Reclassification of assumed capital lease debt	(1,044)
Reclassification of escrow fees	(17)
Cash received from acquiree related to working capital true-up	(115)
Allocation Adjustments	(15,762)
Cash paid upon closing, net of cash acquired	$ 208,352

Acquisitions - Components of Ac

Acquisitions - Components of Acquired Intangible Assets on a Preliminary Basis (Detail) - 9 months ended Jul. 03, 2015 - USD ($) $ in Thousands	Total
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 222,715
BinOptics Corporation [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	134,700
Mindspeed Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	138,663
Developed Technology [Member] | BinOptics Corporation [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 17,500
Acquired intangible assets, Useful Lives	7 years
Developed Technology [Member] | Mindspeed Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 109,263
Acquired intangible assets, Useful Lives	7 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 117,200
Customer Relationships [Member] | BinOptics Corporation [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 117,200
Acquired intangible assets, Useful Lives	10 years
Customer Relationships [Member] | Mindspeed Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 11,430
Acquired intangible assets, Useful Lives	10 years
In-Process Research and Development [Member] | Mindspeed Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 17,970

Acquisitions - Summary of Reven

Acquisitions - Summary of Revenue and Earnings (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 03, 2015	Jul. 03, 2015	Jul. 04, 2014
BinOptics Corporation [Member]
Business Acquisition [Line Items]
Revenue	$ 20,186	$ 39,393
Income (loss) before income taxes	$ 1,980	$ (3,455)
Mindspeed Acquisition [Member]
Business Acquisition [Line Items]
Revenue			$ 64,765
Income (loss) before income taxes			$ (18,534)

Acquisitions - Summary of Unaud

Acquisitions - Summary of Unaudited Supplemental Pro Forma Data (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
BinOptics Corporation [Member]
Business Acquisition [Line Items]
Revenue	$ 130,663	$ 126,662	$ 382,279	$ 335,821
Net income (loss)	$ 13,178	$ 4,134	$ 2,317	(34,817)
Mindspeed Acquisition [Member]
Business Acquisition [Line Items]
Revenue				323,801
Net income (loss)				$ (27,051)

Acquisitions - Summary of Opera

Acquisitions - Summary of Operating Results Through Dates of Divestitures Related to Divested Business (Detail) $ in Thousands	9 Months Ended
	Jul. 04, 2014USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations	$ (4,605)
Mindspeed Acquisition [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	2,440
Loss before income taxes	(7,381)
Benefit for income taxes	2,776
Loss from discontinued operations	$ (4,605)

Financial Instruments - Additio

Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Jul. 03, 2015	Oct. 03, 2014
Fair Value Disclosures [Abstract]
Contingent consideration, maximum	$ 1.5	$ 1.5
Expected life of common stock warrants	5 years 6 months
Expected volatility	34.10%
Risk free rate	1.60%

Financial Instruments - Assets

Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	$ 500	$ 250
Total liabilities measured at fair value	32,292	16,621
Trading Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	500	250
Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities measured at fair value	820	820
Common Stock Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities measured at fair value	31,472	15,801
Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	500	250
Total liabilities measured at fair value	32,292	16,621
Unobservable Inputs (Level 3) [Member] | Trading Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	500	250
Unobservable Inputs (Level 3) [Member] | Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities measured at fair value	820	820
Unobservable Inputs (Level 3) [Member] | Common Stock Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities measured at fair value	$ 31,472	$ 15,801

Financial Instruments - Changes

Financial Instruments - Changes in Assets and Liabilities with Inputs Classified within Level 3 of Fair Value (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Trading Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in financial asset with inputs classified within Level 3 of the fair value, beginning balance	$ 500	$ 250	$ 250
Net Realized/ Unrealized Losses (Gains) Included in Earnings	0	0	0	$ 0
Purchases and Issuances			250	250
Sales and Settlements	0	0	0	0
Transfers in and/or (out) of Level 3	0	0	0	0
Changes in financial asset with inputs classified within Level 3 of the fair value, ending balance	500	250	500	250
Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in financial liabilities with inputs classified within Level 3 of the fair value, beginning balance	820		820
Purchases and Issuances	0		0
Sales and Settlements	0		0
Transfers in and/or (out) of Level 3	0		0
Changes in financial liabilities with inputs classified within Level 3 of the fair value, ending balance	820		820
Common Stock Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in financial liabilities with inputs classified within Level 3 of the fair value, beginning balance	32,018	14,657	15,801	11,873
Net Realized/ Unrealized Losses (Gains) Included in Earnings	546	2,782	15,671	5,566
Purchases and Issuances	0	0	0	0
Sales and Settlements	0	0	0	0
Transfers in and/or (out) of Level 3	0	0	0	0
Changes in financial liabilities with inputs classified within Level 3 of the fair value, ending balance	$ 31,472	$ 17,439	$ 31,472	$ 17,439

Inventories - Components of Net

Inventories - Components of Net Inventories (Detail) - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014
Inventory Disclosure [Abstract]
Raw materials	$ 45,851	$ 34,919
Work-in-process	4,218	5,500
Finished goods	34,304	33,153
Total	$ 84,373	$ 73,572

Property Plant and Equipment -

Property Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Property, Plant and Equipment [Line Items]
Purchase of facility and associated property	$ 8,300			$ 32,488	$ 10,279
Depreciation and amortization expense		$ 3,700	$ 3,700	$ 11,700	$ 10,800
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years			40 years

Property Plant and Equipment 52

Property Plant and Equipment - Components of Property and Equipment (Detail) - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 138,538	$ 98,129
Less accumulated depreciation and amortization	(58,371)	(47,772)
Property and equipment, net	80,167	50,357
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	11,336
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	84,237	68,438
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	6,882	7,998
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	940	1,017
Construction in Process [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	26,324	12,918
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 8,819	$ 7,758

Debt - Additional Information (

Debt - Additional Information (Detail) - USD ($)	May. 08, 2014	Sep. 26, 2013	Jul. 03, 2015	Feb. 28, 2015
Debt Instrument [Line Items]
Indebtedness on revolving credit facility		$ 245,000,000	$ 100,000,000
Repayment of outstanding credit facility	$ 245,000,000		100,000,000
Estimated fair value of Term Loans			348,200,000
BinOptics Corporation [Member]
Debt Instrument [Line Items]
Indebtedness on revolving credit facility			$ 100,000,000
Term Loans [Member]
Debt Instrument [Line Items]
Revolving credit facility maturity date			May 31, 2021
Revolving credit facility maximum borrowing availability	350,000,000
Deferred financing costs	2,100,000
Term loan discount rate			0.75%
Revolving credit facility interest rate			Borrowings under the Revolving Facility bear interest (payable quarterly) at (i) for LIBOR loans, a rate per annum equal to the LIBOR rate, plus an applicable margin in the range of 2.00% to 2.50% (based on the Company’s total net leverage ratio being within certain defined ranges), and (ii) for base rate loans, a rate per annum equal to the prime rate, plus an applicable margin in the range of 1.00% to 1.50% (based on the Company’s total net leverage ratio being within certain defined ranges).
Term loans payment term			The Term Loans are payable in quarterly principal installments equal to 0.25% of the aggregate dollar amount of all Term Loans outstanding at the signing of the Credit Agreement, with the remainder due on the maturity date.
Percentage of quarterly principal installment			0.25%
Principal amount			$ 346,500,000
Term Loans [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Floor rate			0.75%
Applicable margin rate			3.75%
Term Loans [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Floor rate			1.75%
Applicable margin rate			2.75%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility maturity date			Sep. 30, 2018
Revolving credit facility amended date			Nov. 5, 2013
Revolving credit facility maximum borrowing availability		$ 300,000,000
Credit facility, remaining borrowing capacity			$ 130,000,000
Debt issuance fee			8,700,000
Unamortized deferred financing costs			$ 7,200,000
Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Percentage of unused line fee			0.25%
Revolving Credit Facility [Member] | Minimum [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Applicable margin rate			2.00%
Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Applicable margin rate			1.00%
Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Percentage of unused line fee			0.375%
Revolving Credit Facility [Member] | Maximum [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Applicable margin rate			2.50%
Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Applicable margin rate			1.50%
Revolving Credit Facility One [Member]
Debt Instrument [Line Items]
Revolving credit facility maturity date			May 31, 2019
Revolving credit facility maximum borrowing availability	$ 100,000,000			$ 130,000,000

Debt - Schedule of Remained Out

Debt - Schedule of Remained Outstanding on Term Loans (Detail) - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014
Debt Instrument [Line Items]
Current portion	$ 3,500	$ 3,478
Long-term, less current portion	340,813	$ 343,178
Term Loans [Member]
Debt Instrument [Line Items]
Principal balance	346,500
Unamortized discount	(2,187)
Total Term Loans	344,313
Total Term Loans	344,313
Current portion	3,500
Long-term, less current portion	$ 340,813

Debt - Schedule of Minimum Prin

Debt - Schedule of Minimum Principal Payments under Term Loans (Detail) - Term Loans [Member] $ in Thousands	Jul. 03, 2015USD ($)
Debt Instrument [Line Items]
2015 (rest of fiscal year)	$ 875
2,016	3,500
2,017	3,500
2,018	3,500
2,019	3,500
2,020	3,500
Thereafter	328,125
Total	$ 346,500

Goodwill and Intangible Asset56

Goodwill and Intangible Assets - Summary of Amortization Expense of Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Finite-Lived Intangible Assets [Line Items]
Total	$ 10,133	$ 6,775	$ 26,988	$ 15,666
Cost of Revenue [Member]
Finite-Lived Intangible Assets [Line Items]
Total	6,932	6,270	19,638	14,292
Selling, General and Administrative [Member]
Finite-Lived Intangible Assets [Line Items]
Total	$ 3,201	$ 505	$ 7,350	$ 1,374

Goodwill and Intangible Asset57

Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jul. 03, 2015	Oct. 03, 2014	Jul. 04, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 314,845	$ 177,993
Less accumulated amortization	(62,349)	(35,360)
Intangible assets-net	252,496	142,633
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	161,385	131,953
Less accumulated amortization	(45,600)		$ (23,200)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	141,870	24,670
Less accumulated amortization	(16,700)		$ (7,200)
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	8,190	17,970
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 3,400	$ 3,400

Goodwill and Intangible Asset58

Goodwill and Intangible Assets - Summary of Activity in Intangible Assets and Goodwill (Detail) - USD ($) $ in Thousands	9 Months Ended
	Jul. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Balance	$ 188,777
BinOptics Acquisition	222,715
Other intangibles purchased	2,152
Balance	413,644
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Balance	17,970
Transfer to in service	(9,780)
Balance	8,190
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Balance	3,400
Balance	3,400
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Balance	10,784
BinOptics Acquisition	88,015
Balance	98,799
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Balance	131,953
BinOptics Acquisition	17,500
Transfer to in service	9,780
Other intangibles purchased	2,152
Balance	161,385
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Balance	24,670
BinOptics Acquisition	117,200
Balance	$ 141,870

Goodwill and Intangible Asset59

Goodwill and Intangible Assets - Summary of Estimated Amortization of Intangible Assets (Detail) $ in Thousands	Jul. 03, 2015USD ($)
Finite-Lived Intangible Assets, Net [Abstract]
2015 (rest of fiscal year)	$ 10,240
2,016	35,080
2,017	35,597
2,018	34,239
2,019	32,514
Thereafter	93,191
Total	$ 240,861

Goodwill and Intangible Asset60

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	1 Months Ended	9 Months Ended
	Jul. 31, 2013	Jul. 03, 2015	Jul. 04, 2014	Oct. 03, 2014
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization		$ 62,349,000		$ 35,360,000
Maximum potential payments to be made for technology licensing and transfer agreement	$ 9,000,000
Amortization period of acquired technology	2,016
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Period of potential payments to be made for technology licensing and transfer agreement	2016-07
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization		45,600,000	$ 23,200,000
Cost incurred in licensing and transfer of technology		8,200,000	5,500,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization		$ 16,700,000	$ 7,200,000

Stockholders' Equity - Addition

Stockholders' Equity - Additional Information (Detail) - $ / shares	Jul. 03, 2015	Oct. 03, 2014
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	17,000	59,000

Income (Loss) Per Share - Compu

Income (Loss) Per Share - Computation for Basic and Diluted Net Loss Per Share of Common Stock (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Numerator:
Net income (loss)	$ 8,027	$ 1,183	$ (5,817)	$ (29,860)
Denominator:
Weighted average common shares outstanding-basic	53,098	47,280	50,433	46,856
Weighted average common shares outstanding-diluted	55,175	48,524	50,433	46,856
Common stock loss per share:
Basic	$ 0.15	$ 0.03	$ (0.12)	$ (0.64)
Diluted	$ 0.15	$ 0.02	$ (0.12)	$ (0.64)
Stock Options Restricted Stock and Warrants [Member]
Denominator:
Dilutive effect of options, restricted stock and warrants	2,077	1,244

Income (Loss) Per Share - Addit

Income (Loss) Per Share - Additional Information (Detail) - shares shares in Thousands	9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014
Earnings Per Share [Abstract]
Common stock issuable upon exercise of stock options, restricted stock and stock units and warrants	2,127	1,349

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Jul. 03, 2015	Oct. 03, 2014
Commitments and Contingencies Disclosure [Abstract]
Outstanding non-cancelable purchase commitments	$ 7.5	$ 5.2

Restructurings - Summary of Cos

Restructurings - Summary of Costs Related to Restructuring Actions (Detail) $ in Thousands	9 Months Ended
	Jul. 03, 2015USD ($)
Restructuring and Related Activities [Abstract]
Beginning Balance of accrued costs	$ 801
Net pre-tax restructuring charges	971
Utilization	(909)
Ending Balance of accrued costs	$ 865

Share-Based Compensation - Addi

Share-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	Apr. 22, 2015	Jan. 23, 2015	Apr. 30, 2014	Jul. 03, 2015	May. 05, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted targeted vesting period			10 years	4 years
Percentage of options granted to vest at the end of one year				25.00%
Exercisable period of options granted				10 years
Vesting period of RSU granted				Annually over one to five years
Shares available for future grants				9,100,000
Total intrinsic value of options exercised				$ 3.6
Stock options granted				225,000
Stock options granted, fair value			$ 3.5
Compensation cost expected to be recognized			3 years
Target price per share for any remaining unamortized compensation cost that will be recognized		$ 32.55	$ 32.55
Compensation expense to be recognized		$ 2.5
Weighted-Average Exercise Price Per Share, Granted				$ 34.10
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost expected to be recognized				3 years 7 months 6 days
Fair value of restricted stock awards with time based and performance vesting, total				$ 8.6
Total unrecognized compensation cost				$ 39.1
2012 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum payroll deductions to purchase shares of the Company's common stock at a discount				15.00%
Performance Based Restricted Stock Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period of options granted				7 years
Stock options granted				225,000
Stock options granted, fair value				$ 2
Weighted-average grant-date fair value per PRSU, non-vested	$ 8.97			$ 34.39	$ 8.45
Weighted-Average Exercise Price Per Share, Granted				$ 34.10
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted			405,000
Percentage of change in control plan	200.00%
Maximum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				300.00%
Maximum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				300.00%
Maximum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				300.00%
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of change in control plan	100.00%
Minimum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				0.00%
Minimum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				0.00%
Minimum [Member] | Performance Based Restricted Stock Unit Awards [Member] | Tranche Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earning percentage of targeted shares				0.00%
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing price per share		$ 34.79

Share-Based Compensation - Effe

Share-Based Compensation - Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Non-Employees (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	$ 4,653	$ 3,390	$ 13,781	$ 8,525
Cost of Revenue [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	477	646	1,372	1,355
Research and Development [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	1,272	893	3,399	2,105
Selling, General and Administrative [Member]
Components Of Salaries And Benefits [Line Items]
Total stock-based compensation expense	$ 2,904	$ 1,851	$ 9,010	$ 5,065

Share-Based Compensation - Summ

Share-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 03, 2015	Oct. 03, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Aggregate Intrinsic Value, Outstanding, Beginning balance		$ 10,015
Number of Shares, Outstanding, Beginning balance	948
Number of Shares, Granted	225
Number of Shares, Exercised	(269)
Number of Shares, Forfeited, canceled or expired	(14)
Number of Shares, Outstanding, Ending balance	890	948
Number of Shares, Options vested and expected to vest as of July 3, 2015	819
Number of Shares, Options vested and exercisable as of July 3, 2015	665
Weighted-Average Exercise Price Per Share, Outstanding, Beginning balance	$ 11.73
Weighted-Average Exercise Price Per Share, Granted	34.10
Weighted-Average Exercise Price Per Share, Exercised	9.26
Weighted-Average Exercise Price Per Share, Forfeited, canceled or expired	22.62
Weighted-Average Exercise Price Per Share, Outstanding, Ending balance	17.96	$ 11.73
Weighted-Average Exercise Price Per Share, Options vested and expected to vest as of July 3, 2015	16.54
Weighted-Average Exercise Price Per Share, Options vested and exercisable as of July 3, 2015	$ 12.49
Weighted-Average Remaining Contractual Term (in years), Outstanding	7 years 2 months 12 days	6 years 7 months 6 days
Weighted-Average Remaining Contractual Term (in years), Options vested and expected to vest as of July 3, 2015	7 years
Weighted-Average Remaining Contractual Term (in years), Options vested and exercisable as of July 3, 2015	6 years 3 months 18 days
Aggregate Intrinsic Value, Outstanding, Ending balance	$ 16,779
Aggregate Intrinsic Value, Options vested and expected to vest as of July 3, 2015	16,593
Aggregate Intrinsic Value, Options vested and exercisable as of July 3, 2015	$ 16,196

Share-Based Compensation - Weig

Share-Based Compensation - Weighted Average Assumptions used for Calculating Fair Value of Stock Options Granted (Detail) - 9 months ended Jul. 03, 2015	Total
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Risk-free interest rate	1.20%
Expected term (years)	4 years
Expected volatility	30.80%
Expected dividends	0.00%

Share-Based Compensation - Su70

Share-Based Compensation - Summary of Restricted Stock and Restricted Stock Units Activity (Detail) - Jul. 03, 2015 - USD ($) shares in Thousands, $ in Thousands	Total
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Shares, Issued and unvested - beginning balance	1,720
Number of Shares, Granted	786
Number of Shares, Vested and released	(654)
Number of Shares, Forfeited, canceled or expired	(86)
Number of Shares, Issued and unvested - Issued and unvested-ending balance	1,766
Number of Shares, Shares expected to vest	1,505
Weighted-Average Remaining Contractual Term (in Years), Issued and unvested - October 3, 2014	2 years 7 months 6 days
Weighted-Average Remaining Contractual Term (in Years), Issued and unvested - Issued and unvested-July 3, 2015	1 year 7 months 6 days
Weighted-Average Remaining Contractual Term (in Years), Shares expected to vest	1 year 6 months
Aggregate Intrinsic Value, Issued and unvested - Beginning Balance	$ 37,203
Aggregate Intrinsic Value, Issued and unvested shares - Ending Balance	64,175
Aggregate Intrinsic Value, Shares expected to vest	$ 55,195

Share-Based Compensation - Su71

Share-Based Compensation - Summary of Performance-Based Restricted Stock Unit Activity (Detail) - 9 months ended Jul. 03, 2015 - $ / shares shares in Thousands	Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Issued and unvested - beginning balance	1,720
Number of Shares, Granted	786
Number of Shares, Vested	654
Number of Shares, Forfeited	86
Number of Shares, Issued and unvested - Issued and unvested-ending balance	1,766
Performance Based Restricted Stock Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Issued and unvested - beginning balance	0
Number of Shares, Granted	83,954
Number of Shares, Change due to performance condition achievement	251,862
Number of Shares, Vested	0
Number of Shares, Forfeited	0
Number of Shares, Issued and unvested - Issued and unvested-ending balance	335,816
Weighted-Average Grant-Date Fair Value per PRSU, Granted	$ 34.39
Weighted-Average Grant-Date Fair Value per PRSU, Change due to performance condition achievement	34.39
Weighted-Average Grant-Date Fair Value per PRSU, Vested	0
Weighted-Average Grant-Date Fair Value per PRSU, Forfeited	0
Weighted-Average Grant-Date Fair Value per PRSU, Non-vested - ending balance	$ 34.39

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014	Oct. 03, 2014
Income Taxes [Line Items]
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%
Unrecognized tax benefit, reduction in current deferred tax assets	$ 1,400		$ 1,400
Unrecognized tax benefit	1,700		1,700		$ 1,700
BinOptics Corporation [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	44,000		$ 44,000
Expiration beginning year for net operating loss carryforwards			2,034
Federal research and development tax credit carryforwards	1,500		$ 1,500
Deferred income tax liability	34,518		34,518
Net deferred income tax liability	51,400		51,400
BinOptics Corporation [Member] | NOL and tax credit carryforwards [Member]
Income Taxes [Line Items]
Deferred income tax asset	16,900		16,900
Other Noncurrent Liabilities [Member]
Income Taxes [Line Items]
Unrecognized tax benefit	$ 300		$ 300

Related-Party Transactions - Ad

Related-Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Privately Held Company [Member]
Related Party Transaction [Line Items]
Other income-related party	$ 200,000	$ 100,000	$ 200,000	$ 100,000
GaAs Labs [Member]
Related Party Transaction [Line Items]
Minimum service requirements or payment obligations	$ 0		$ 0
Notice period to terminate agreement			30 days
Other income-related party				$ 100,000

Supplemental Cash Flow Inform74

Supplemental Cash Flow Information - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Unpaid amounts related to purchase of assets	$ 0.8	$ 0.7

Geographic and Significant Cu75

Geographic and Significant Customer Information - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015SegmentCustomer	Jul. 04, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable operating segment			1
Number of major customers | Customer			10
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	59.00%	61.00%	60.00%	61.00%

Geographic and Significant Cu76

Geographic and Significant Customer Information - Summary of Different Geographic Regions (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014	Oct. 03, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region		$ 130,663	$ 112,364	$ 370,412	$ 304,345
Long-Lived Assets by Geographic Region, excluding Intangibles		80,167		80,167		$ 50,357
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region		54,930	52,126	177,534	156,931
Long-Lived Assets by Geographic Region, excluding Intangibles		69,361		69,361		42,031
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue by Geographic Region	[1]	75,733	$ 60,238	192,878	$ 147,414
Long-Lived Assets by Geographic Region, excluding Intangibles	[2]	$ 10,806		$ 10,806		$ 8,326
[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, which accounted for 11% at July 3, 2015 and 11% at October 3, 2014.

Geographic and Significant Cu77

Geographic and Significant Customer Information - Summary of Different Geographic Regions (Parenthetical) (Detail)	Jul. 03, 2015	Oct. 03, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
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	11.00%	11.00%

Geographic and Significant Cu78

Geographic and Significant Customer Information - Summary of Customer Concentrations as Percentage of Total Sales and Accounts Receivable (Detail) - Customer Concentration Risk [Member]	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014	Oct. 03, 2014
Sales Revenue, Net [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage	59.00%	61.00%	60.00%	61.00%
Customera [Member] | Sales Revenue, Net [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage	11.00%	12.00%	15.00%	16.00%
Customera [Member] | Accounts Receivable [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage			16.00%		16.00%
Customer B [Member] | Sales Revenue, Net [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage	17.00%	17.00%	17.00%	19.00%
Customer B [Member] | Accounts Receivable [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage			13.00%		7.00%
Customer C [Member] | Sales Revenue, Net [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage	10.00%	11.00%	10.00%	7.00%
Customer C [Member] | Accounts Receivable [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage			14.00%		16.00%

Subsequent Events - Additional

Subsequent Events - Additional Information (Detail) - Autoliv Asp Inc [Member] - USD ($) $ in Millions	Jul. 16, 2015	Jul. 03, 2015
Subsequent Event [Line Items]
Stock purchase agreement date		Jul. 16, 2015
Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of issued and outstanding shares of capital stock	$ 100
Additional cash received in the form of earn out payment	30
Escrow deposit	$ 18