Balance Sheet Components (Tables)

3 Months Ended

Mar. 30, 2014

Balance Sheet Related Disclosures [Abstract]

Schedule Of Available-For-Sale Short-Term

Short-Term Investments

	As of
	March 30, 2014								December 31, 2013
	Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
U.S. Treasuries	$	109,946	$	13	$	—	$	109,959	$	104,595	$	7	$	(1	)	$	104,601
Certificates of Deposits	174		—		—		174		159		—		—			159
Total	$	110,120	$	13	$	—	$	110,133	$	104,754	$	7	$	(1	)	$	104,760

Schedule Of Accounts Receivable And Related Allowances

Accounts receivable, net

	As of
	March 30, 2014			December 31, 2013
Gross accounts receivable	$	314,432		$	289,479
Allowance for doubtful accounts	(1,255		)	(1,255		)
Allowance for sales returns	(18,550		)	(17,467		)
Allowance for price protection	(3,376		)	(4,273		)
Total allowances	(23,181		)	(22,995		)
Total accounts receivable, net	$	291,251		$	266,484

Schedule Of Inventories

Inventories

	As of
	March 30, 2014		December 31, 2013
Raw materials	$	6,591	$	8,676
Work in process	5,244		6,233
Finished goods	189,795		209,547
Total inventories	$	201,630	$	224,456

Schedule Of Property And Equipment, Net

Property and equipment, net

	As of
	March 30, 2014			December 31, 2013
Computer equipment	$	8,728		$	8,527
Furniture, fixtures and leasehold improvements	14,169			14,019
Software	25,875			25,722
Machinery and equipment	53,270			50,656
Construction in progress	12			21
Total property and equipment, gross	102,054			98,945
Accumulated depreciation and amortization	(76,049		)	(71,751		)
Total property and equipment, net	$	26,005		$	27,194

Schedule Of Purchased Intangibles, Net

Intangibles, net

The following tables present details of the Company’s purchased intangible assets:

	Gross		Accumulated Amortization			Net
March 30, 2014
Technology	$	60,999	$	(32,026	)	$	28,973
Customer contracts and relationships	56,500		(10,892		)	45,608
Other	10,545		(5,577		)	4,968
Finite-lived intangibles, net	128,044		(48,495		)	79,549
Indefinite-lived intangible assets	100		—			100
Total purchased intangible assets, net	$	128,144	$	(48,495	)	$	79,649

	Gross		Accumulated Amortization			Net
December 31, 2013
Technology	$	60,999	$	(29,593	)	$	31,406
Customer contracts and relationships	56,500		(9,120		)	47,380
Other	10,545		(5,313		)	5,232
Finite-lived intangibles, net	128,044		(44,026		)	84,018
Indefinite-lived intangible assets	100		—			100
Total purchased intangible assets, net	$	128,144	$	(44,026	)	$	84,118

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:

Year Ending December 31	Amount
2014 (remaining nine months)	$	13,406
2015	17,258
2016	16,896
2017	11,361
2018	7,859
Thereafter	12,769
Total expected amortization expense	$	79,549

Schedule Of Activity Related To Goodwill

Goodwill

The changes in the carrying amount of goodwill during the three months ended March 30, 2014 are as follows:

	Retail		Commercial		Service Provider		Total
Goodwill at December 31, 2013	$	45,441	$	36,279	$	74,196	$	155,916
Goodwill acquired during the period	—		—		—		—
Goodwill at March 30, 2014	$	45,441	$	36,279	$	74,196	$	155,916

Schedule of Other Assets, Noncurrent

Other non-current assets

	As of
	March 30, 2014		December 31, 2013
Non-current deferred income taxes	$	19,630	$	20,235
Cost method investment	1,322		1,322
Other	8,870		5,034
Total other non-current assets	$	29,822	$	26,591

Schedule Of Other Accrued Liabilities

Other accrued liabilities

	As of
	March 30, 2014		December 31, 2013
Sales and marketing programs	$	50,870	$	47,941
Warranty obligation	45,403		48,754
Freight	5,777		5,790
Other	39,002		40,733
Total other accrued liabilities	$	141,052	$	143,218