Other Comprehensive (Loss) Income - Schedule of Changes in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ (345.7)
Other Comprehensive Loss before Reclassifications			(49.2)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)			12.0
Total Other Comprehensive (Loss) Income, Net of Tax	$ (43.8)	$ 31.1	(37.2)	$ 14.7
Ending balance	(382.9)		(382.9)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(18.4)
Other Comprehensive Loss before Reclassifications			(2.1)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)			5.1
Total Other Comprehensive (Loss) Income, Net of Tax			3.0
Ending balance	(15.4)		(15.4)
Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(87.8)
Other Comprehensive Loss before Reclassifications			(19.5)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)			0.0
Total Other Comprehensive (Loss) Income, Net of Tax			(19.5)
Ending balance	(107.3)		(107.3)
Pension and Postretirement Benefit Plans | Pension Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(255.4)
Other Comprehensive Loss before Reclassifications			(26.7)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)			7.7
Total Other Comprehensive (Loss) Income, Net of Tax			(19.0)
Ending balance	(274.4)		(274.4)
Pension and Postretirement Benefit Plans | Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			15.9
Other Comprehensive Loss before Reclassifications			(0.9)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)			(0.8)
Total Other Comprehensive (Loss) Income, Net of Tax			(1.7)
Ending balance	$ 14.2		$ 14.2