Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Consolidated Statements Of Comprehensive Income
Net loss	$ (2,785)	$ (894)
Unrealized gain on interest rate swap contracts and foreign currency forward contracts, net of deferred income tax expense of $5,143 and $1,360 for the three months ended March 31, 2018 and 2017, respectively	17,361	1,405
Foreign currency translation adjustments, net of deferred income tax expense (benefit) of $24 and $(1,383) for the three months ended March 31, 2018 and 2017, respectively	7,624	7,246
Other comprehensive income	24,985	8,651
Total comprehensive income	22,200	7,757
Less: Comprehensive (loss) income attributable to noncontrolling interests	(19)	6
Comprehensive income attributable to controlling interests	$ 22,219	$ 7,751