Condensed Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,050)	$ (13,928)
Other comprehensive income (loss), net of tax:
Net unrealized loss on hedges arising during the period		(96)
Reclassifications into earnings		427
Income taxes on hedges		(66)
Net change in hedges, net of tax		265
Foreign currency translation gain (loss)	4,613	(33,587)
Other comprehensive income (loss), net of tax	4,613	(33,322)
Comprehensive income (loss)	1,563	(47,250)
Less comprehensive loss attributable to redeemable noncontrolling interests:
Net loss	(172)	(1,990)
Foreign currency translation gain (loss)	36	(228)
Comprehensive loss attributable to redeemable noncontrolling interests	(136)	(2,218)
Comprehensive income (loss) attributable to common shareholders	$ 1,699	$ (45,032)