Other Comprehensive (Loss) Income - Reclassifications out of AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Sales	$ 3,684.2	$ 3,506.2	$ 3,371.1
Other Expense (Income), Net	3.0	3.1	(7.7)
Total before Tax	(253.0)	(319.4)	(359.3)
Income Tax Expense (Benefit)	(45.5)	93.2	130.4
Net of Tax	(300.2)	$ (228.0)	$ (230.1)
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net of Tax	1.6
Reclassification out of Accumulated Other Comprehensive Income | Derivatives Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before Tax	(2.1)
Income Tax Expense (Benefit)	0.8
Net of Tax	(1.3)
Reclassification out of Accumulated Other Comprehensive Income | Derivatives Instruments | Commodity Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Sales	(1.2)
Reclassification out of Accumulated Other Comprehensive Income | Derivatives Instruments | Foreign Currency Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Expense (Income), Net	(0.3)
Reclassification out of Accumulated Other Comprehensive Income | Derivatives Instruments | Interest Rate Swap Agreements
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest Expense, Net	(0.6)
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefit Plans | Pension Benefits
Accumulated Other Comprehensive Income (Loss) [Line Items]
Prior Service Costs (Credits)	0.5
Actuarial Losses (Gains)	6.5
Total before Tax	7.0
Income Tax Expense (Benefit)	(2.6)
Net of Tax	4.4
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefit Plans | Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Prior Service Costs (Credits)	(0.3)
Actuarial Losses (Gains)	(2.1)
Total before Tax	(2.4)
Income Tax Expense (Benefit)	0.9
Net of Tax	$ (1.5)