Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Accrued Liabilities [Abstract]

Carrying Value of Accrued Liabilities

The carrying values of accrued liabilities were as follows:

	December 31,
	2020		2019
	(In thousands)
Wages, severance and related taxes	$	65,892	$	58,953
Current deferred revenue	53,371		54,255
Accrued rebates	32,192		37,170
Accrued interest	20,610		18,781
Employee benefits	27,707		17,791
Lease liabilities	14,840		14,072
Other (individual items less than 5% of total current liabilities)	62,029		82,777
Accrued liabilities	$	276,641	$	283,799