Condensed Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (13,928)	$ 1,318
Other comprehensive income (loss), net of tax:
Net unrealized loss on hedges arising during the period	(96)	(149)
Reclassifications to net (income) loss	427	1,846
Income taxes on hedges	(66)	(342)
Net change in hedges, net of tax	265	1,355
Foreign currency translation gain (loss)	(33,587)	2,802
Other comprehensive income (loss), net of tax	(33,322)	4,157
Comprehensive income (loss)	(47,250)	5,475
Less comprehensive loss attributable to redeemable noncontrolling interests:
Net loss	(1,990)	0
Foreign currency translation loss	(228)	0
Comprehensive loss attributable to redeemable noncontrolling interests	(2,218)	0
Comprehensive income (loss) attributable to common shareholders	$ (45,032)	$ 5,475