Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance, Foreign Currency Translation Gain (Loss)	$ (58.0)
Change in Foreign Currency Translation Gain (Loss)	(10.5)
Foreign currency translation gain loss before reclassification adjustment into earnings	0.0
Foreign Currency Translation Gain (Loss), Income tax effect	0.0
Ending Balance, Foreign Currency Translation Gain (Loss)	(68.5)
Change in Unrealized Loss on Derivative Instruments	12.9
Unrealized Loss on Derivative Instruments, Reclassification adjustments into earnings	(10.2)
Unrealized Loss on Derivative Instruments, Income tax effect	(0.7)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(12.0)		$ (14.0)
Beginning Balance, Post-Retirement Benefit Plans	(92.6)
Change in Post-Retirement Benefit Plans	0.0
Post-Retirement Benefit Plans, Reclassification adjustments into earnings	1.9
Post-Retirement Benefit Plans, Income tax effect	1.1
Ending Balance, Post-Retirement Benefit Plans	(89.6)
Other Comprehensive Income Change in Component	2.4
Reclassification adjustments into earnings, Total	(8.3)
Income tax effect, Total	0.4
Accumulated other comprehensive income (loss), net of tax	(170.1)		$ (164.6)
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 0.0	$ (19.4)