Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule Of Available-For-Sale Short-Term

	As of
	December 31, 2018									December 31, 2017
	Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value		Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
	(In thousands)
U.S. treasuries	$	70,330	$	1	$	(17	)	$	70,314	$	124,816	$	—	$	(146	)	$	124,670
Certificates of deposits	149		—		—			149		162		—		—			162
Total	$	70,479	$	1	$	(17	)	$	70,463	$	124,978	$	—	$	(146	)	$	124,832

Schedule Of Accounts Receivable And Related Allowances

Accounts receivable, net

	As of
	December 31, 2018				December 31, 2017
	(In thousands)
Gross accounts receivable	$	304,921			$	273,734
Allowance for doubtful accounts	(1,254		)		(1,050		)
Allowance for sales returns	—			*	(14,321		)
Allowance for price protection	—			*	(3,245		)
Total allowances	(1,254		)		(18,616		)
Total accounts receivable, net	$	303,667			$	255,118

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* 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 2. Revenue Recognition, for additional information on the adoption impact.

Schedule Of Inventories

Inventories

	As of
	December 31, 2018		December 31, 2017
	(In thousands)
Raw materials	$	3,427	$	4,465
Finished goods	240,444		158,477
Total inventories	$	243,871	$	162,942

Schedule Of Property And Equipment, Net

Property and equipment, net

	As of
	December 31, 2018			December 31, 2017
	(In thousands)
Computer equipment	$	9,205		$	10,065
Furniture, fixtures and leasehold improvements	18,286			21,464
Software	28,065			28,817
Machinery and equipment	60,552			56,423
Total property and equipment, gross	116,108			116,769
Accumulated depreciation and amortization	(95,931		)	(99,420		)
Total property and equipment, net	$	20,177		$	17,349

Schedule Of Purchased Intangibles, Net

Intangibles, net

	As of December 31, 2018							As of December 31, 2017
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
	(In thousands)
Technology	$	59,799	$	(56,978	)	$	2,821	$	56,799	$	(56,383	)	$	416
Customer contracts and relationships	56,800		(44,280		)	12,520		56,200		(37,130		)	19,070
Other	10,345		(8,540		)	1,805		9,145		(7,991		)	1,154
Total intangibles, net	126,944		(109,798		)	17,146		$	122,144	$	(101,504	)	$	20,640

Schedule Of Estimated Amortization Expense Related To Intangibles

As of December 31, 2018, estimated amortization expense related to finite-lived intangibles for each of the next five years and thereafter is as follows (in thousands):

2019	$	7,042
2020	6,205
2021	2,044
2022	527
2023	514
Thereafter	814
Total estimated amortization expense	$	17,146

Schedule Of Goodwill

The changes in the carrying amount of goodwill during the years ended December 31, 2018 and 2017 are as follows:

	Connected Home		SMB		Total
	(In thousands)
As of January 1, 2017	$	28,035	$	36,279	$	64,314
As of December 31, 2017	28,035		36,279		64,314
Goodwill from acquisition of Meural	16,407		—		16,407
As of December 31, 2018	$	44,442	$	36,279	$	80,721

Schedule of Other Assets, Noncurrent

Other non-current assets

	As of
	December 31, 2018		December 31, 2017
	(In thousands)
Non-current deferred income taxes	$	57,557	$	38,293
Other	9,876		11,178
Total other non-current assets	$	67,433	$	49,471

Schedule Of Other Accrued Liabilities

Other accrued liabilities

	As of
	December 31, 2018			December 31, 2017
	(In thousands)
Sales and marketing	$	91,548		$	64,540
Warranty obligation	14,412		*	44,068
Sales returns	46,318		*	—
Freight and duty	10,586			6,705
Other	36,608			34,508
Total other accrued liabilities	$	199,472		$	149,821

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* Upon adoption of ASC 606 on January 1, 2018, certain warranty reserve balances totaling $29.1 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.