Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015
Cash flows from operating activities:
Net loss	$ (45,935)	$ (113,779)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	47,908	42,916
Impairment of intangible assets	7,866	0
Amortization of debt issuance costs and discount	1,212	2,037
Change in deferred income tax provision	0	17,689
Loss on sale or maturity of marketable securities	72	336
Stock-based compensation expense	12,107	13,609
Loss on disposal of fixed assets	263	0
Gain on sale of business unit	(2,646)	0
Equity in net loss of an unconsolidated affiliate, net of tax	1,085	0
Changes in assets and liabilities:
Accounts receivable, net	(5,728)	7,708
Inventories	(4,644)	6,738
Prepaid expenses and other current assets	(2,227)	(2,776)
Accounts payable and accrued expenses (includes restructuring)	6,295	7,786
Accrued payroll obligations	(454)	(10,309)
Income taxes payable	1,335	971
Deferred income and allowances on sales to sell-through distributors	3,067	5,481
Deferred income and allowances on sales to sell-through distributors	(258)	967
Net cash provided by (used in) operating activities	19,318	(20,626)
Cash flows from investing activities:
Proceeds from sales of and maturities of short-term marketable securities	11,977	142,956
Purchases of marketable securities, net	(5,961)	(4,005)
Cash paid for business acquisition, net of cash acquired	0	(431,068)
Capital expenditures	(13,991)	(11,584)
Proceeds from sale of business unit, net of cash sold	1,972	0
Cash paid for a non-marketable equity method investment	(1,000)	(3,000)
Cash paid for software licenses	(7,370)	(5,393)
Net cash used in investing activities	(14,373)	(312,094)
Cash flows from financing activities:
Proceeds from issuance of restricted stock units, net of withholding taxes	(2,883)	(2,660)
Purchases of treasury stock	0	(6,970)
Net proceeds from issuance of common stock	5,353	3,382
Net proceeds from issuance of long-term debt	0	346,500
Cash paid for debt issuance costs	0	(8,283)
Repayment of debt	(4,279)	(1,750)
Net cash (used in) provided by financing activities	(1,809)	330,219
Effect of exchange rate change on cash	(579)	(754)
Net increase in cash and cash equivalents	2,557	(3,255)
Beginning cash and cash equivalents	84,606	115,611
Ending cash and cash equivalents	87,163	112,356
Supplemental cash flow information:
Change in unrealized gain (loss) related to marketable securities, net of tax, included in Accumulated other comprehensive loss	(50)	(133)
Income taxes paid, net of refunds	7,250	5,403
Interest paid	13,849	6,225
Accrued purchases of plant and equipment	$ 402	$ 817