Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Property Plant and Equipment
Total property, plant and equipment	$ 2,904.6		$ 2,761.0
Less accumulated depreciation	(1,367.6)		(1,308.0)
Property, plant and equipment - net of accumulated depreciation	1,537.0		1,453.0
Tooling, net of amortization	100.2		89.6
Property, plant and equipment - net	1,637.2		1,542.6
Accounts payable related to property, plant and equipment purchases	25.3		28.9
Specific assets pledged as collateral under company's long-term debt agreements	3.6		3.4
Asset Retirement Obligation Locations Involved	45
Asset Retirement Obligation	1.1		1.2
Capitalized interest costs	9.0	8.4
Land and Building [Member]
Property Plant and Equipment
Total property, plant and equipment	690.9		669.3
Machinery and Equipment [Member]
Property Plant and Equipment
Total property, plant and equipment	2,016.8		1,961.2
Assets Held under Capital Leases [Member]
Property Plant and Equipment
Total property, plant and equipment	2.3		2.3
Construction in Progress [Member]
Property Plant and Equipment
Total property, plant and equipment	$ 194.6		$ 128.2