Balance Sheet Components (Tables)

6 Months Ended

Jun. 28, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule Of Available-For-Sale Short-Term

Available-for-sale short-term investments (in thousands)

	As of
	June 28, 2015								December 31, 2014
	Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
U.S. treasuries	$	74,972	$	19	$	—	$	74,991	$	114,944	$	6	$	(15	)	$	114,935
Certificates of deposit	151		—		—		151		158		—		—			158
Total	$	75,123	$	19	$	—	$	75,142	$	115,102	$	6	$	(15	)	$	115,093

Schedule Of Accounts Receivable And Related Allowances

Accounts receivable, net (in thousands)

	As of
	June 28, 2015			December 31, 2014
Gross accounts receivable	$	263,877		$	296,239
Allowance for doubtful accounts	(1,255		)	(1,255		)
Allowance for sales returns	(13,704		)	(17,489		)
Allowance for price protection	(2,425		)	(1,806		)
Total allowances	(17,384		)	(20,550		)
Total accounts receivable, net	$	246,493		$	275,689

Schedule Of Inventories

Inventories(in thousands)

	As of
	June 28, 2015		December 31, 2014
Raw materials	$	3,338	$	3,625
Work in process	—		8
Finished goods	185,330		219,250
Total inventories	$	188,668	$	222,883

Schedule Of Property And Equipment, Net

Property and equipment, net (in thousands)

	As of
	June 28, 2015			December 31, 2014
Computer equipment	$	10,002		$	9,779
Furniture, fixtures and leasehold improvements	17,984			19,379
Software	29,908			29,294
Machinery and equipment	63,391			60,135
Total property and equipment, gross	121,285			118,587
Accumulated depreciation and amortization	(95,694		)	(88,893		)
Total property and equipment, net	$	25,591		$	29,694

Schedule Of Purchased Intangibles, Net

Intangibles, net (in thousands)

	Gross		Accumulated Amortization			Net
June 28, 2015
Technology	$	61,099	$	(44,067	)	$	17,032
Customer contracts and relationships	56,500		(19,748		)	36,752
Other	10,545		(6,895		)	3,650
Total intangibles, net	$	128,144	$	(70,710	)	$	57,434

	Gross		Accumulated Amortization			Net
December 31, 2014
Technology	$	61,099	$	(39,341	)	$	21,758
Customer contracts and relationships	56,500		(16,205		)	40,295
Other	10,545		(6,368		)	4,177
Total intangibles, net	$	128,144	$	(61,914	)	$	66,230

Schedule Of Estimated Amortization Expense Related To Intangibles

Estimated amortization expense related to intangibles for each of the next five years and thereafter is as follows (in thousands):

Year Ending December 31	Amount
2015 (remaining six months)	$	8,487
2016	16,921
2017	11,386
2018	7,871
2019	6,028
Thereafter	6,741
Total estimated amortization expense	$	57,434

Schedule of Other Assets, Noncurrent

Other non-current assets (in thousands)

	As of
	June 28, 2015		December 31, 2014
Non-current deferred income taxes	$	39,396	$	38,696
Cost method investment	1,322		1,322
Other	7,634		8,059
Total other non-current assets	$	48,352	$	48,077

Schedule Of Other Accrued Liabilities

Other accrued liabilities (in thousands)

	As of
	June 28, 2015		December 31, 2014
Sales and marketing programs	$	44,689	$	54,582
Warranty obligation	40,967		44,888
Freight	4,490		6,827
Other	33,701		37,445
Total other accrued liabilities	$	123,847	$	143,742