BALANCE SHEET COMPONENTS (Tables)

12 Months Ended

Dec. 31, 2017

Balance Sheet Related Disclosures [Abstract]

Schedule of balance sheet components

	December 31, 2017			December 31, 2016
	(In thousands)
Accounts receivable, net:
Accounts receivable	$	154,845		$	142,400
Less: allowance for doubtful accounts	(632		)	(632		)
	$	154,213		$	141,768
Inventories:
Raw materials	$	12,656		$	8,243
Work-in-process	22,769			26,118
Finished goods	29,232			31,162
	$	64,657		$	65,523
Other current assets:
Prepaid expenses	$	7,518		$	9,053
Derivative contracts receivable	982			257
VAT receivable	2,259			6,093
Other	3,536			1,943
	$	14,295		$	17,346
Property and equipment, net:
Computer, equipment, and software	$	164,707		$	214,719
Furniture and fixtures	3,198			5,210
Leasehold improvements	47,262			46,693
	215,167			266,622
Less: Accumulated depreciation and amortization	(105,248		)	(148,037		)
	$	109,919		$	118,585
Deferred taxes and other long-term assets:
Equity investments in privately-held companies	$	29,255		$	12,720
Deferred taxes	24,563			22,413
Long-term restricted cash	8,025			—
Other assets	4,319			1,580
	$	66,162		$	36,713
Accrued liabilities:
Payroll and related expenses	$	71,868		$	62,969
Accrued expenses	31,951			33,125
Derivative contracts payable	17			1,006
Product warranty liability	706			1,263
Other	9,516			6,679
	$	114,058		$	105,042
Other long-term liabilities:
Income tax payable	$	24,425		$	24,184
Deferred rent	2,220			2,504
Other	7,422			3,892
	$	34,067		$	30,580