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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Various Jurisdictions [Member]	Dec. 31, 2011 Various Jurisdictions [Member]
Income Tax Disclosure [Abstract]
Effective income tax rate	50.90%	52.10%
Effective income tax rate, excluding French Business Tax	38.00%	38.00%
U.S. Federal statutory rate	35.00%
Annual effective tax rate, range description	between low to mid-forty percent range
Income Tax Contingency [Line Items]
Gross unrecognized tax benefits, including interest and penalties			$ 30.0	$ 27.0
Related tax benefits			3.6	3.6
Net unrecognized tax benefits			$ 26.4	$ 23.4
Tax years subject to tax examination			2009 through 2011

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A description of the annual effective tax rate.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. This ratio excludes the impact of the French Business Tax.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Identification, by major jurisdiction, of tax years that remain open to examination under enacted tax laws.

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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