Condensed Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,450	$ 16,823	$ (8,478)	$ 18,141
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on hedges arising during the period	1	(278)	(95)	(427)
Reclassifications into earnings	25	1,975	452	3,821
Income taxes on hedges	(6)	(340)	(72)	(682)
Net change in hedges, net of tax	20	1,357	285	2,712
Foreign currency translation loss	(1,896)	(3,065)	(35,483)	(263)
Other comprehensive income (loss), net of tax	(1,876)	(1,708)	(35,198)	2,449
Comprehensive income (loss)	3,574	15,115	(43,676)	20,590
Less comprehensive loss attributable to redeemable noncontrolling interests:
Net loss	0	(31)	(1,990)	(31)
Foreign currency translation loss	(20)	0	(248)	0
Comprehensive loss attributable to redeemable noncontrolling interests	(20)	(31)	(2,238)	(31)
Comprehensive income (loss) attributable to common shareholders	$ 3,594	$ 15,146	$ (41,438)	$ 20,621