Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Accrued Liabilities [Abstract]

Schedule Of Accrued Liabilities

	March 31,		December 31,
	2018		2017
Accrued expenses	$	65,835	$	64,430
Accrued employee compensation and related expenses		59,080		102,944
Accrued taxes		26,452		29,389
Accrued customer incentives and refund obligations (Notes 2 and 3)		59,017		56,655
Total accrued liabilities	$	210,384	$	253,418

Schedule Of Other Long-term Liabilities

	March 31,		December 31,
	2018		2017
Accrued taxes	$	67,551	$	66,506
Accrued customer incentives (Note 2)		-		12,956
Other accrued long-term expenses		17,022		16,256
Total other long-term liabilities	$	84,573	$	95,718