SUPPLEMENTAL BALANCE SHEET INFORMATION (Tables)

12 Months Ended

Dec. 31, 2015

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Other Current Assets

Other current assets consisted of the following:

	December 31,
	2015		2014
Prepaid expenses	$	27,957	$	35,390
Short-term forward currency exchange contract assets		10,478		10,513
Promissory notes receivable, net		—		46,946
Restricted investments		7,348		2,354
Convertible promissory note conversion option		—		2,386
Other receivables		14,150		9,733
Other		445		1,202
Total other current assets	$	60,378	$	108,524

Schedule of Other Assets

Other assets consisted of the following:

	December 31,
	2015		2014
Deposit for business acquisition	$	371,756	$	—
Deposits		8,606		12,021
Strategic investments		18,056		30,811
Long-term forward foreign currency exchange contract assets		3,533		5,387
Other		6,693		6,338
Total other assets	$	408,644	$	54,557

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consisted of the following:

	December 31,
	2015		2014
Accounts payable and accrued operating expenses	$	179,294	$	139,513
Accrued income taxes		59,572		—
Accrued compensation expense		78,424		45,479
Accrued vacation expense		16,921		12,540
Accrued rebates payable		32,553		14,859
Accrued royalties payable		10,412		9,050
Value added taxes payable		6,377		5,479
Other		8,958		4,924
Total accounts payable and accrued liabilities	$	392,511	$	231,844

Schedule of Estimated Accrued Rebates, Reserve for Cash Discounts and Allowance for Doubtful Accounts

The roll forward of significant estimated accrued rebates, reserve for cash discounts and allowance for doubtful accounts for the years ended December 31, 2015, 2014 and 2013 were as follows:

	Balance at Beginning of Period		Provision for Current Period Sales		Provision/ (Reversals) for Prior Period Sales			Actual Charges Related to Current Period Sales			Actual Charges Related to Prior Period Sales			Balance at End of Period
Year ended December 31, 2015:
Accrued rebates	$	14,859	$	45,356	$	(1,245	)	$	(18,421	)	$	(7,996	)	$	32,553
Reserve for cash discounts		688		7,402		—			(6,722	)		(537	)		831
Sales return reserve		—		40		—			—			—			40
Allowance for doubtful accounts		490		—		(397	)		—			—			93
Year ended December 31, 2014:
Accrued rebates	$	10,429	$	24,431	$	(1,159	)	$	(12,768	)	$	(6,074	)	$	14,859
Reserve for cash discounts		388		6,435		—			(5,747	)		(388	)		688
Sales return reserve		907		—		(907	)		—			—			—
Allowance for doubtful accounts		529		410		(319	)		—			(130	)		490
Year ended December 31, 2013:
Accrued rebates	$	9,625	$	18,872	$	(1,169	)	$	(12,025	)	$	(4,874	)	$	10,429
Reserve for cash discounts		372		4,549		—			(4,191	)		(342	)		388
Sales return reserve		—		907		—			—			—			907
Allowance for doubtful accounts		348		138		43			—			—			529