Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Income Taxes [Abstract]
Company's effective tax rate	29.00%	30.00%	42.00%	31.00%
Liability for unrecognized tax benefits	$ 49.6		$ 49.6		$ 53.6
Liability for unrecognized tax benefits that would impact the effective tax rate, if recognized	47.5		47.5
Accrued interest on liability for unrecognized tax benefits	7.7		7.7		11.4
Income tax reconciliation, Repatriation of foreign earnings			5.6
Planned cash repatriation of earnings of certain foreign jurisdictions			62
Income tax examination, increase (decrease) in liability from prior year		4.2		4.2
Expected decrease in unrecognized tax benefits within next 12 months			$ 19.0

Income tax reconciliation repatriation of foreign earnings.

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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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-Number 210

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- Definition

The amount the liability recorded for the income tax examination increased or decreased in the current year/accounting period.

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- Definition

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the repatriation of foreign earnings in the period.

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- Definition

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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-Name FASB Interpretation (FIN)

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-Glossary Unrecognized Tax Benefit

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This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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

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