Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Defined Benefit Plan, Recognized Net Loss Due to Settlements	$ 65.4		$ 0		$ 0
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss	(645.2)		(789.0)
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	(200.9)		123.8
Other Comprehensive Income (Loss), Reclassifications To Earnings, Net Of Tax	51.7		20.0
Current period change, Accumulated Other Comprehensive Loss	(149.2)		143.8		(82.0)
Accumulated Other Comprehensive Loss	(794.4)		(645.2)		(789.0)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax [Roll Forward]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(126.3)		4.3
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0		0.7		0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0		0		0
Other Comprehensive (Loss) Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax	(126.3)		5.0		40.6
Foreign Currency Translation Loss	(287.8)		(161.5)		(166.5)
foreign exchange loss, intercompany	(29.6)		10.0
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Unrecognized Pension & Other Postretirement Costs, net of tax	(483.3)		(621.1)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	(84.1)		116.3
Other Comprehensive Income (Loss), Reclassification, Pension and Other Post Retirement Benefits, Prior Service Benefit and Actuarial Loss, Net of Tax	55.7		21.5		18.1
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(28.4)		137.8		(119.8)
Unrecognized Pension & Other Postretirement Costs, net of tax	511.7		(483.3)		(621.1)
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax	(6.5)	[1]	(1.6)	[1]	0.7	[1]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	92.9	[1]	33.5	[1]	25.6	[1]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax	86.4		31.9		26.3
Other Comprehensive Income (Loss), Reclassification, Pension and Other Post Retirement Benefits, Prior Service Benefit and Actuarial Loss, Tax	(30.7)		(10.4)		(8.2)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	5.5		3.1		3.2
Accumulated Comprehensive Income (Loss), Derivatives [Roll Forward]
Derivative Hedging Loss, net of tax	(0.4)		(1.4)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	9.5		3.2
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	(4.0)		(2.2)		1.9
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	5.5		1.0		(2.8)
Derivative Hedging Loss, net of tax	5.1		(0.4)		(1.4)
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax	1.5		0.9		(1.3)
Interest Expense [Member] | Foreign Exchange Contracts on Intercompany Borrowings [Member]
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0.3		0		(0.1)
Cost of Sales [Member] | Foreign Exchange Contract [Member]
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	5.9		3.8		(0.1)
Commodity Contract [Member] | Cost of Sales [Member]
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0		0		2.9
Forward Interest Rate Swaps [Member] | Interest Expense [Member]
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0.7		$ 0.7		$ 0.1

[1] These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and other postretirement benefit costs, which are recorded in the cost of products sold and selling, general and administrative expenses line items in the Consolidated Statements of Operations for 2014, 2013 and 2012. For 2014, $65.4 million of the amount is reflected as pension settlement charge. See Footnote 13 for further details.