Accumulated Other Comprehensive Loss - Schedule of Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended						9 Months Ended
		Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		$ 1,502.8	$ 1,486.9	$ 1,510.2	$ 1,436.9	$ 1,421.1	$ 1,446.1	$ 1,510.2	$ 1,446.1
Total other comprehensive (loss) income		(20.6)	5.5	(19.1)	52.8	17.3	(36.6)	(34.2)	33.5
Balance		1,494.3	1,502.8	1,486.9	1,499.4	1,436.9	1,421.1	1,494.3	1,499.4
Unrecognized Net Defined Benefit and Postretirement Plan Costs
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				(40.4)				(40.4)
Other comprehensive (loss) income before reclassifications								(1.4)
Amounts reclassified from accumulated other comprehensive loss								(0.5)
Total other comprehensive (loss) income								(0.9)
Balance		(41.3)						(41.3)
Change in Fair Value of Derivatives Products
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	[1]			15.6				15.6
Other comprehensive (loss) income before reclassifications	[1]							(0.2)
Amounts reclassified from accumulated other comprehensive loss	[1]							10.8
Total other comprehensive (loss) income	[1]							(11.0)
Balance		4.6						4.6
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				(34.8)				(34.8)
Other comprehensive (loss) income before reclassifications								22.3
Total other comprehensive (loss) income								(22.3)
Balance		(57.1)						(57.1)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(73.2)	(78.7)	(59.6)	(138.0)	(155.3)	(118.7)	(59.6)	(118.7)
Other comprehensive (loss) income before reclassifications								23.9
Amounts reclassified from accumulated other comprehensive loss								10.3
Total other comprehensive (loss) income		(20.6)	5.5	(19.1)	52.8	17.3	(36.6)	(34.2)
Balance		$ (93.8)	$ (73.2)	$ (78.7)	$ (85.2)	$ (138.0)	$ (155.3)	$ (93.8)	$ (85.2)

[1] Includes forward foreign exchange contracts, interest rate derivatives and commodity swaps