Condensed Consolidated Statements Of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock Cumulative Effect, Period of Adoption	Common Stock	Retained Earnings Cumulative Effect, Period of Adoption	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Cumulative Effect, Period of Adoption	Total
Balance, beginning of period (Accounting Standards Update 2020-06) at Dec. 31, 2020	$ (41,456)		$ 6,682			$ (34,774)
Balance, beginning of period at Dec. 31, 2020		$ 1,327,592		$ 464,524	$ (51,620)		$ 1,740,496
Balance, beginning of period (in shares) at Dec. 31, 2020		150,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(2,878)			(2,878)
Foreign currency translation adjustments					4,613		4,613
Accretion of redeemable noncontrolling interests				(241)			(241)
Activity in company stock plans, net and other		$ (1,600)					(1,600)
Activity in company stock plans, net and other (in shares)		374
Share-based compensation		$ 1,844					1,844
Balance, end of period at Mar. 31, 2021		$ 1,286,380		468,087	(47,007)		1,707,460
Balance, end of period (in shares) at Mar. 31, 2021		150,715
Balance, beginning of period at Dec. 31, 2020							3,855
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]
Net loss							(172)
Foreign currency translation adjustments related to redeemable noncontrolling interests							36
Accretion of redeemable noncontrolling interests							241
Balance, end of period at Mar. 31, 2021							3,960
Balance, beginning of period at Dec. 31, 2021		$ 1,292,479		411,072	(56,082)		1,647,469
Balance, beginning of period (in shares) at Dec. 31, 2021		151,124
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(42,031)			(42,031)
Foreign currency translation adjustments					(13,148)		(13,148)
Activity in company stock plans, net and other		$ (1,178)					(1,178)
Activity in company stock plans, net and other (in shares)		513
Share-based compensation		$ 1,634					1,634
Balance, end of period at Mar. 31, 2022		$ 1,292,935		$ 369,041	$ (69,230)		$ 1,592,746
Balance, end of period (in shares) at Mar. 31, 2022		151,637