Balance Sheet Components (Tables)

3 Months Ended

Apr. 01, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule of Available-for-Sale Short-Term Investments

Available-for-sale short-term investments

	As of
	April 1, 2018									December 31, 2017
	Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value		Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
	(In thousands)
U.S. treasuries	$	125,184	$	—	$	(184	)	$	125,000	$	124,816	$	—	$	(146	)	$	124,670
Certificates of deposit	161		—		—			161		162		—		—			162
Total	$	125,345	$	—	$	(184	)	$	125,161	$	124,978	$	—	$	(146	)	$	124,832

Schedule of Accounts Receivable, Net

Accounts receivable, net

	As of
	April 1, 2018				December 31, 2017
	(In thousands)
Gross accounts receivable	$	318,358			$	437,891
Allowance for doubtful accounts	(1,256		)		(1,257		)
Allowance for sales returns	—			*	(20,189		)
Allowance for price protection	—			*	(3,647		)
Total allowances	(1,256		)		(25,093		)
Total accounts receivable, net	$	317,102			$	412,798

_________________________

* Upon adoption of ASC 606, allowances for sales returns and price protection were reclassified to current liabilities as these reserve balances are considered refund liabilities. Refer to Note 3. Revenue Recognition, for additional information on the adoption impact.

Schedule of Inventories

Inventories

	As of
	April 1, 2018		December 31, 2017
	(In thousands)
Raw materials	$	3,982	$	4,465
Work in process	3		—
Finished goods	262,360		241,429
Total inventories	$	266,345	$	245,894

Schedule of Property and Equipment, Net

Property and equipment, net

	As of
	April 1, 2018			December 31, 2017
	(In thousands)
Computer equipment	$	10,135		$	10,114
Furniture, fixtures and leasehold improvements	21,452			21,640
Software	29,193			28,997
Machinery and equipment	63,422			62,490
Total property and equipment, gross	124,202			123,241
Accumulated depreciation and amortization	(104,423		)	(102,581		)
Total property and equipment, net	$	19,779		$	20,660

Schedule of Intangibles, Net

Intangibles, net

	As of April 1, 2018							As of December 31, 2017
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
	(In thousands)
Technology	$	66,599	$	(62,724	)	$	3,875	$	66,599	$	(62,172	)	$	4,427
Customer contracts and relationships	56,500		(39,186		)	17,314		56,500		(37,430		)	19,070
Other	11,045		(9,785		)	1,260		11,045		(9,554		)	1,491
Total intangibles, net	$	134,144	$	(111,695	)	$	22,449	$	134,144	$	(109,156	)	$	24,988

Schedule of Estimated Amortization Expense Related to Intangibles

As of April 1, 2018, estimated amortization expense related to finite-lived intangibles for the remaining years is as follows (in thousands):

2018 (remaining nine months)	$	6,857
2019	7,544
2020	6,622
2021	1,413
2022	13
Total estimated amortization expense	$	22,449

Schedule of Other Non-Current Assets

Other non-current assets

	As of
	April 1, 2018		December 31, 2017
	(In thousands)
Non-current deferred income taxes	$	74,754	$	49,468
Other	11,199		12,321
Total other non-current assets	$	85,953	$	61,789

Schedule of Other Accrued Liabilities

Other accrued liabilities

	As of
	April 1, 2018			December 31, 2017
	(In thousands)
Sales and marketing	$	95,299		$	96,153
Warranty obligation	18,978		*	75,824
Sales returns	73,562		*	—
Freight	7,790			10,567
Other	43,632			39,926
Total other accrued liabilities	$	239,261		$	222,470

_________________________

* Upon adoption of ASC 606 on January 1, 2018, certain warranty reserve balances totaling $57.9 million were reclassified to sales returns as these liabilities are payable to the Company's customers and settled in cash or by credit on account. Under ASC 606, these amounts are to be accounted for as sales with right of return.