Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Measurements [Abstract]

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

	Fair Value at September 30, 2017
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$	369	$	13,341	$	-	$	13,710
Accounts payable
Non-qualified deferred compensation liabilities	$	-	$	1,157	$	-	$	1,157
Other long-term liabilities
Non-qualified deferred compensation liabilities	$	-	$	20,250	$	-	$	20,250
	Fair Value at December 31, 2016
	Level 1		Level 2		Level 3		Total
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$	368	$	11,992	$	-	$	12,360
Interest rate swaps	$	-	$	8,579	$	-	$	8,579
Accounts payable
Non-qualified deferred compensation liabilities	$	-	$	1,115	$	-	$	1,115
Other long-term liabilities
Non-qualified deferred compensation liabilities	$	-	$	18,489	$	-	$	18,489