Accumulated Other Comprehensive Loss - Schedule of Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ 1,495.1	$ 1,244.9	$ 1,179.6
Other comprehensive income (loss) before reclassifications	(64.0)
Amounts reclassified from accumulated other comprehensive loss	1.0
Total other comprehensive income (loss)	(64.6)	129.4	(50.5)
Balance	1,322.0	1,495.1	1,244.9
Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income Loss [Line Items]
Total other comprehensive income (loss)	(63.0)
Unrecognized Net Defined Plan Costs
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(18.5)
Other comprehensive income (loss) before reclassifications	3.6
Amounts reclassified from accumulated other comprehensive loss	(0.5)
Total other comprehensive income (loss)	3.1
Balance	(15.4)	(18.5)
Change in Fair Value of Derivatives Products
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	14.8
Other comprehensive income (loss) before reclassifications	(22.1)
Amounts reclassified from accumulated other comprehensive loss	1.5
Total other comprehensive income (loss)	(20.6)
Balance	(5.8)	14.8
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(41.3)
Other comprehensive income (loss) before reclassifications	(45.5)
Total other comprehensive income (loss)	(45.5)
Balance	(86.8)	(41.3)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(45.0)	(174.4)	(123.9)
Total other comprehensive income (loss)	(64.6)	129.4	(50.5)
Balance	$ (108.0)	$ (45.0)	$ (174.4)