CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 2,434.4	$ 0.9	$ 1,234.0	$ 1,382.6	$ (187.4)	$ 4.3
Beginning Balance (in shares) at Dec. 31, 2020		91.6
Net (loss) income	26.2			26.1		0.1
Currency translation adjustments	(13.1)				(12.9)	(0.2)
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares	(3.2)		(3.2)
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares (in shares)		0.2
Stock-based compensation expense	5.1		5.1
Changes to noncontrolling interest	(0.6)					(0.6)
Ending Balance at Mar. 31, 2021	2,448.8	$ 0.9	1,235.9	1,408.7	(200.3)	3.6
Ending Balance (in shares) at Mar. 31, 2021		91.8
Beginning Balance at Dec. 31, 2021	2,402.8	$ 0.9	1,261.8	1,354.8	(218.8)	4.1
Beginning Balance (in shares) at Dec. 31, 2021		91.9
Net (loss) income	(14.1)			(14.2)		0.1
Currency translation adjustments	(8.9)				(8.6)	(0.3)
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares	(3.2)		(3.2)
Issuance of common stock for incentive stock programs, net of (payments of) taxes from withheld shares (in shares)		0.2
Stock-based compensation expense	4.8		4.8
Ending Balance at Mar. 31, 2022	$ 2,381.4	$ 0.9	$ 1,263.4	$ 1,340.6	$ (227.4)	$ 3.9
Ending Balance (in shares) at Mar. 31, 2022		92.1