Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Accrued Liabilities, Current [Abstract]

Schedule Of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	June 30, 2018		December 31, 2017
Accrued expenses	$	61,302	$	64,430
Accrued employee compensation and related expenses	79,394		102,944
Accrued taxes	25,109		29,389
Accrued customer incentives and refund obligations (Notes 2 and 3)	62,575		56,655
Total accrued liabilities	$	228,380	$	253,418

Schedule Of Other Long-term Liabilities

Other long-term liabilities consisted of the following (in thousands):

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	June 30, 2018		December 31, 2017
Accrued taxes	$	67,886	$	66,506
Accrued customer incentives (Note 2)	—		12,956
Other accrued long-term expenses	15,381		16,256
Total other long-term liabilities	$	83,267	$	95,718