Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Property Plant and Equipment
Total property, plant and equipment	$ 2,975.5		$ 2,761.0
Less accumulated depreciation	(1,394.7)		(1,308.0)
Property, plant and equipment - net of accumulated depreciation	1,580.8		1,453.0
Tooling, net of amortization	100.6		89.6
Property, plant and equipment - net	1,681.4		1,542.6
Accounts payable related to property, plant and equipment purchases	37.6		28.9
Specific assets pledged as collateral under company's long-term debt agreements	3.7		3.4
Asset Retirement Obligation Locations Involved	45
Asset Retirement Obligation	1.1		1.2
Capitalized interest costs	6.0	5.6
Land and Building [Member]
Property Plant and Equipment
Total property, plant and equipment	714.0		669.3
Machinery and Equipment [Member]
Property Plant and Equipment
Total property, plant and equipment	2,091.1		1,961.2
Assets Held under Capital Leases [Member]
Property Plant and Equipment
Total property, plant and equipment	2.4		2.3
Construction in Progress [Member]
Property Plant and Equipment
Total property, plant and equipment	$ 168.0		$ 128.2