Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Measurements [Abstract]

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

	Fair Value at September 30, 2019
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net:
Non-qualified deferred compensation assets	$	-	$	14,741	$	-	$	14,741
Accounts payable:
Non-qualified deferred compensation liabilities	$	-	$	1,243	$	-	$	1,243
Other long-term liabilities:
Non-qualified deferred compensation liabilities	$	-	$	22,224	$	-	$	22,224
Total debt	$	857,750	$	-	$	-	$	857,750
	Fair Value at December 31, 2018
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net:
Non-qualified deferred compensation assets	$	376	$	12,930	$	-	$	13,306
Accounts payable:
Non-qualified deferred compensation liabilities	$	-	$	1,138	$	-	$	1,138
Other long-term liabilities:
Non-qualified deferred compensation liabilities	$	-	$	19,766	$	-	$	19,766
Total debt	$	1,084,711	$	-	$	-	$	1,084,711

Fair Value Measurements Used In Testing

	Nine Months Ended September 30, 2019
	Impairment		Fair Value
Long-lived assets	$	40,952	$	292,277