Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule Of Available-For-Sale Short-Term

	As of
	December 31, 2015									December 31, 2014
	Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value		Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
U.S. treasuries	$	95,057	$	1	$	(65	)	$	94,993	$	114,944	$	6	$	(15	)	$	114,935
Certificates of deposits	147		—		—			147		158		—		—			158
Total	$	95,204	$	1	$	(65	)	$	95,140	$	115,102	$	6	$	(15	)	$	115,093

Schedule Of Accounts Receivable And Related Allowances

Accounts receivable, net

	As of
	December 31, 2015			December 31, 2014
Gross accounts receivable	$	309,926		$	296,239
Allowance for doubtful accounts	(1,255		)	(1,255		)
Allowance for sales returns	(15,904		)	(17,489		)
Allowance for price protection	(2,125		)	(1,806		)
Total allowances	(19,284		)	(20,550		)
Total accounts receivable, net	$	290,642		$	275,689

Schedule Of Inventories

Inventories

	As of
	December 31, 2015		December 31, 2014
Raw materials	$	4,292	$	3,625
Work-in-process	2		8
Finished goods	208,824		219,250
Total inventories	$	213,118	$	222,883

Schedule Of Property And Equipment, Net

Property and equipment, net

	As of
	December 31, 2015			December 31, 2014
Computer equipment	$	11,161		$	9,779
Furniture, fixtures and leasehold improvements	18,317			19,379
Software	30,396			29,294
Machinery and equipment	66,662			60,135
Total property and equipment, gross	126,536			118,587
Accumulated depreciation and amortization	(104,152		)	(88,893		)
Total property and equipment, net	$	22,384		$	29,694

Schedule Of Purchased Intangibles, Net

Intangibles, net

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

	Gross		Accumulated Amortization			Net
December 31, 2015
Technology	$	61,099	$	(48,485	)	$	12,614
Customer contracts and relationships	56,500		(23,290		)	33,210
Other	10,545		(7,422		)	3,123
Total intangibles, net	128,144		(79,197		)	48,947

	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 finite-lived intangibles for each of the next five years and thereafter is as follows:

Year Ended December 31,	Amount
2016	$	16,921
2017	11,386
2018	7,871
2019	6,028
2020	5,316
Thereafter	1,425
Total expected amortization expense	$	48,947

Schedule Of Activity Related To Goodwill

Goodwill

The changes in the carrying amount of goodwill during the years ended December 31, 2015 and 2014 are as follows:

	Retail		Commercial		Service Provider			Total
Goodwill at December 31, 2013	$	45,442	$	36,279	$	74,196		$	155,916
Goodwill impairment charges	—		—		(74,196		)	(74,196		)
Goodwill at December 31, 2014	45,442		$	36,279	—			81,721
Goodwill impairment charges	—		—		—			—
Goodwill at December 31, 2015	$	45,442	$	36,279	$	—		$	81,721

Schedule of Other Assets, Noncurrent

Other non-current assets

	As of
	December 31, 2015			December 31, 2014
Non-current deferred income taxes	$	68,445	*	$	38,696
Cost method investments	105			1,322
Other	7,824			8,059
Total other non-current assets	$	76,374		$	48,077

* Includes a reclassification of the net current deferred tax asset to the net non-current deferred tax asset in the consolidated Balance Sheet as of December 31, 2015. No prior periods were retrospectively adjusted. Refer to Note 1, The Company and Summary of Significant Accounting Policies, for additional information regarding the early adoption of the ASU 2015-17.

Schedule Of Other Accrued Liabilities

Other accrued liabilities

	As of
	December 31, 2015		December 31, 2014
Sales and marketing programs	$	69,693	$	54,582
Warranty obligation	56,706		44,888
Freight	5,748		6,827
Other	34,135		37,445
Total other accrued liabilities	$	166,282	$	143,742