CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Republic of Korea Operations	Australia and Singapore Operations	Brazil Operations	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Republic of Korea Operations	Accumulated Other Comprehensive Loss Australia and Singapore Operations	Accumulated Other Comprehensive Loss Brazil Operations	Noncontrolling Interests
Beginning Balance (in shares) at Dec. 31, 2021					91.9
Beginning Balance at Dec. 31, 2021	$ 2,402.8				$ 0.9	$ 1,261.8	$ 1,354.8	$ (218.8)				$ 4.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(3.6)						(3.8)					0.2
Currency translation adjustments	(54.9)							(54.4)				(0.5)
Cumulative currency translation (gain) loss realized		$ 0.0	$ 0.0	$ 0.0
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares (in shares)					0.2
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares	(3.2)					(3.2)
Stock-based compensation expense	12.6					12.6
Ending Balance (in shares) at Jun. 30, 2022					92.1
Ending Balance at Jun. 30, 2022	2,353.7				$ 0.9	1,271.2	1,351.0	(273.2)				3.8
Beginning Balance (in shares) at Mar. 31, 2022					92.1
Beginning Balance at Mar. 31, 2022	2,381.4				$ 0.9	1,263.4	1,340.5	(227.3)				3.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	10.5						10.5
Currency translation adjustments	(46.0)							(45.9)				(0.1)
Cumulative currency translation (gain) loss realized		0.0	0.0	0.0
Stock-based compensation expense	7.8					7.8
Ending Balance (in shares) at Jun. 30, 2022					92.1
Ending Balance at Jun. 30, 2022	2,353.7				$ 0.9	1,271.2	1,351.0	(273.2)				3.8
Beginning Balance (in shares) at Dec. 31, 2022					92.2
Beginning Balance at Dec. 31, 2022	2,424.5				$ 0.9	1,285.4	1,410.8	(276.9)				4.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(38.2)						(38.3)					0.1
Currency translation adjustments	14.0							16.3				(2.3)
Cumulative currency translation (gain) loss realized	69.6	(2.7)	2.2	70.1					$ (2.7)	$ 2.2	$ 70.1
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares (in shares)					0.3
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares	(3.4)					(3.4)
Stock-based compensation expense	17.8					17.8
Changes in noncontrolling interest	(1.5)											(1.5)
Ending Balance (in shares) at Jun. 30, 2023					92.5
Ending Balance at Jun. 30, 2023	2,482.8				$ 0.9	1,299.8	1,372.5	(191.0)				0.6
Beginning Balance (in shares) at Mar. 31, 2023					92.4
Beginning Balance at Mar. 31, 2023	2,446.0				$ 0.9	1,289.2	1,422.0	(266.7)				0.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(49.5)						(49.5)
Currency translation adjustments	6.1							6.1
Cumulative currency translation (gain) loss realized	69.6	$ (2.7)	$ 2.2	$ 70.1					$ (2.7)	$ 2.2	$ 70.1
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares (in shares)					0.1
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares	(0.3)					(0.3)
Stock-based compensation expense	10.9					10.9
Ending Balance (in shares) at Jun. 30, 2023					92.5
Ending Balance at Jun. 30, 2023	$ 2,482.8				$ 0.9	$ 1,299.8	$ 1,372.5	$ (191.0)				$ 0.6