Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Measurements [Abstract]

Summary of financial assets and liabilities measured at fair value on recurring basis

			Fair Value Measurements at Reporting Date Using
	March 31, 2016		Level 1		Level 2		Level 3
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$	11,653	$	368	$	11,285		-
Interest rate swaps	$	9,612		-	$	9,612		-
Accounts payable
Non-qualified deferred compensation liabilities	$	573		-	$	573		-
Other long-term liabilities
Non-qualified deferred compensation liabilities	$	17,582		-	$	17,582		-
	December 31, 2015		Level 1		Level 2		Level 3
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$	11,548	$	368	$	11,180		-
Interest rate swaps	$	6,905		-	$	6,905		-
Accounts payable
Non-qualified deferred compensation liabilities	$	721		-	$	721		-
Other long-term liabilities
Non-qualified deferred compensation liabilities	$	17,367		-	$	17,367		-