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				(35,630)			(35,630)
Foreign currency translation adjustments					(6,478)		(6,478)
Accretion of redeemable noncontrolling interests				1,489			1,489
Activity in company stock plans, net and other		$ (1,052)					(1,052)
Activity in company stock plans, net and other (in shares)		535
Share-based compensation		$ 5,613					5,613
Balance, end of period at Sep. 30, 2021		$ 1,290,697		437,065	(58,098)		1,669,664
Balance, end of period (in shares) at Sep. 30, 2021		150,876
Balance, beginning of period at Dec. 31, 2020							3,855
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]
Net income (loss)							(146)
Foreign currency translation adjustments related to redeemable noncontrolling interests							48
Accretion of redeemable noncontrolling interests							(1,489)
Acquisition of redeemable noncontrolling interests							(2,268)
Balance, beginning of period at Jun. 30, 2021		$ 1,288,603		456,108	(44,651)		1,700,060
Balance, beginning of period (in shares) at Jun. 30, 2021		150,787
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(19,043)			(19,043)
Foreign currency translation adjustments					(13,447)		(13,447)
Activity in company stock plans, net and other		$ 262					262
Activity in company stock plans, net and other (in shares)		89
Share-based compensation		$ 1,832					1,832
Balance, end of period at Sep. 30, 2021		$ 1,290,697		437,065	(58,098)		1,669,664
Balance, end of period (in shares) at Sep. 30, 2021		150,876
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				(90,493)			(90,493)
Foreign currency translation adjustments					(79,939)		(79,939)
Activity in company stock plans, net and other		$ (673)					(673)
Activity in company stock plans, net and other (in shares)		684
Share-based compensation		$ 5,490					5,490
Balance, end of period at Sep. 30, 2022		$ 1,297,296		320,579	(136,021)		1,481,854
Balance, end of period (in shares) at Sep. 30, 2022		151,808
Balance, beginning of period at Jun. 30, 2022		$ 1,295,016		339,342	(102,568)		1,531,790
Balance, beginning of period (in shares) at Jun. 30, 2022		151,714
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(18,763)			(18,763)
Foreign currency translation adjustments					(33,453)		(33,453)
Activity in company stock plans, net and other		$ 274					274
Activity in company stock plans, net and other (in shares)		94
Share-based compensation		$ 2,006					2,006
Balance, end of period at Sep. 30, 2022		$ 1,297,296		$ 320,579	$ (136,021)		$ 1,481,854
Balance, end of period (in shares) at Sep. 30, 2022		151,808