Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Beginning Balance	$ (375.3)	$ (304.3)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(115.5)	(1.9)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	11.3	0.0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(4.5)	(0.5)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	6.8	(0.5)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(104.2)	(1.9)
Balance at March 31	(479.5)	(306.2)
Translation adjustment
Beginning Balance	(231.5)	(192.1)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(95.3)	0.9
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(95.3)	0.9
Balance at March 31	(326.8)	(191.2)
Foreign Currency Hedges
Beginning Balance	(2.6)	(1.9)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0.7	(0.6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0.7	(0.6)
Balance at March 31	(1.9)	(2.5)
Interest Rate Hedges
Beginning Balance	5.2	10.6
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(19.7)	(2.3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		0.5
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(15.2)	(1.8)
Balance at March 31	(10.0)	8.8
Pension and Other Post-retirement Benefits
Beginning Balance	(146.6)	(121.0)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		(0.5)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	6.8	(0.5)
Balance at March 31	(139.8)	(121.5)
Other
Beginning Balance	0.2	0.1
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1.2)	0.1
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(1.2)	0.1
Balance at March 31	(1.0)	0.2
Translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	$ (1.3)	$ 2.7