Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Sales	$ 912.4	$ 868.1	$ 2,637.1	$ 2,545.8
Other (Income) Expense, Net	(0.1)	0.2	2.0	(7.9)
Income before Income Taxes and Equity Income of Unconsolidated Entities	(85.1)	(93.5)	(262.8)	(274.3)
Income Tax Expense	28.0	33.6	71.3	102.3
(Loss) Income before Equity Income of Unconsolidated Entities	$ (57.1)	$ (59.9)	(191.5)	$ (172.0)
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Loss) Income before Equity Income of Unconsolidated Entities			17.8
Reclassification out of Accumulated Other Comprehensive Income | Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before Income Taxes and Equity Income of Unconsolidated Entities			10.3
Income Tax Expense			(3.9)
(Loss) Income before Equity Income of Unconsolidated Entities			6.4
Reclassification out of Accumulated Other Comprehensive Income | Derivative Instruments | Commodity Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Sales			10.0
Reclassification out of Accumulated Other Comprehensive Income | Derivative Instruments | Foreign Currency Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (Income) Expense, Net			(0.2)
Reclassification out of Accumulated Other Comprehensive Income | Derivative Instruments | Interest Rate Swap Agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest Expense, Net			0.5
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment | Pension Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior Service Costs (Credits)			0.6
Actuarial (Losses) Gains			19.6
Income before Income Taxes and Equity Income of Unconsolidated Entities			20.2
Income Tax Expense			(7.7)
(Loss) Income before Equity Income of Unconsolidated Entities			12.5
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment | Postretirement Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior Service Costs (Credits)			(0.2)
Actuarial (Losses) Gains			(1.6)
Income before Income Taxes and Equity Income of Unconsolidated Entities			(1.8)
Income Tax Expense			0.7
(Loss) Income before Equity Income of Unconsolidated Entities			$ (1.1)