Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Property Plant and Equipment
Total property, plant and equipment, gross	$ 2,854.0		$ 3,245.6
Less: accumulated depreciation	(1,086.5)		(1,567.0)
Property, plant and equipment, net, excluding tooling	1,767.5		1,678.6
Tooling, net of amortization	107.9		109.4
Property, plant and equipment, net	1,875.4		1,788.0
Capital Expenditures Incurred but Not yet Paid	35.8		39.8
Capitalized interest costs	8.5	13.5
Land and Building [Member]
Property Plant and Equipment
Total property, plant and equipment, gross	738.6		717.2
Machinery and Equipment [Member]
Property Plant and Equipment
Total property, plant and equipment, gross	1,848.0		2,282.4
Assets Held under Capital Leases [Member]
Property Plant and Equipment
Total property, plant and equipment, gross	2.4		2.3
Construction in Progress [Member]
Property Plant and Equipment
Total property, plant and equipment, gross	$ 265.0		$ 243.7