Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Measurements [Abstract]

Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

	Fair Value at March 31, 2020
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net:
Non-qualified deferred compensation assets	$	-	$	13,144	$	-	$	13,144
Accounts payable:
Non-qualified deferred compensation liabilities	$	-	$	2,156	$	-	$	2,156
Other long-term liabilities:
Non-qualified deferred compensation liabilities	$	-	$	18,266	$	-	$	18,266
Total debt	$	393,531	$	-	$	-	$	393,531
	Fair Value at December 31, 2019
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net:
Non-qualified deferred compensation assets	$	-	$	15,499	$	-	$	15,499
Accounts payable:
Non-qualified deferred compensation liabilities	$	-	$	1,372	$	-	$	1,372
Other long-term liabilities:
Non-qualified deferred compensation liabilities	$	-	$	23,466	$	-	$	23,466
Total debt	$	1,021,300	$	-	$	-	$	1,021,300

Fair Value Measurements Used In Testing

	March 31, 2020
	Impairment		Fair Value
Property, plant and equipment, net	$	16,522	$	13,593