Accumulated Other Comprehensive Loss - Schedule of Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended						9 Months Ended
		Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		$ 1,436.9	$ 1,421.1	$ 1,446.1	$ 1,442.4	$ 1,372.4	$ 1,322.0	$ 1,446.1	$ 1,322.0
Other comprehensive income (loss) before reclassifications								20.4
Amounts reclassified from accumulated other comprehensive loss								13.1
Total other comprehensive income (loss)		52.8	17.3	(36.6)	(43.0)	(4.2)	(5.9)	33.5	(53.1)
Balance		1,499.4	1,436.9	1,421.1	1,417.8	1,442.4	1,372.4	1,499.4	1,417.8
Unrecognized Defined Benefit and Postretirement Plan Costs
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				(22.4)				(22.4)
Amounts reclassified from accumulated other comprehensive loss								(0.2)
Total other comprehensive income (loss)								(0.2)
Balance		(22.6)						(22.6)
Change in Fair Value of Derivatives Products
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	[1]			(6.9)				(6.9)
Other comprehensive income (loss) before reclassifications	[1]							(2.3)
Amounts reclassified from accumulated other comprehensive loss	[1]							13.3
Total other comprehensive income (loss)	[1]							11.0
Balance	[1]	4.1						4.1
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				(89.4)				(89.4)
Other comprehensive income (loss) before reclassifications								22.7
Total other comprehensive income (loss)								22.7
Balance		(66.7)						(66.7)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(138.0)	(155.3)	(118.7)	(118.1)	(113.9)	(108.0)	(118.7)	(108.0)
Total other comprehensive income (loss)		52.8	17.3	(36.6)	(43.0)	(4.2)	(5.9)
Balance		$ (85.2)	$ (138.0)	$ (155.3)	$ (161.1)	$ (118.1)	$ (113.9)	$ (85.2)	$ (161.1)

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