CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 59.3	$ 89.7	$ 84.1	$ 403.2
Other comprehensive income (loss), net of tax:
Employee pension and postretirement benefits	0.4	58.2	1.2	60.5
Currency translation adjustments	(36.2)	(15.7)	(76.6)	(28.0)
Change in fair value of derivative instruments	5.8	1.3	11.0	2.0
Total other comprehensive income (loss), net of tax	(30.0)	43.8	(64.4)	34.5
Comprehensive income	$ 29.3	$ 133.5	$ 19.7	$ 437.7