Accumulated Other Comprehensive (Loss) Income - Schedule of Components of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		$ 1,495.1
Other comprehensive (loss) income before reclassifications		39.1
Amounts reclassified from accumulated other comprehensive loss		(1.9)
Total other comprehensive income		35.6	$ 16.3
Balance		1,562.5
Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income Loss [Line Items]
Total other comprehensive income		37.2
Unrecognized Defined Benefit and Postretirement Plan Costs
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(18.5)
Other comprehensive (loss) income before reclassifications		(0.7)
Amounts reclassified from accumulated other comprehensive loss		(0.1)
Total other comprehensive income		(0.8)
Balance		(19.3)
Change in Fair Value of Derivatives Products
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	[1]	14.8
Other comprehensive (loss) income before reclassifications	[1]	8.2
Amounts reclassified from accumulated other comprehensive loss	[1]	(1.8)
Total other comprehensive income	[1]	6.4
Balance	[1]	21.2
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(41.3)
Other comprehensive (loss) income before reclassifications		31.6
Total other comprehensive income		31.6
Balance		(9.7)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(45.0)
Balance		$ (7.8)

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