Income Taxes (Details) (USD $) In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011 |
Sep. 30, 2010 |
Dec. 31, 2011 |
Jan. 31, 2011 |
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| Income Taxes [Abstract] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Income tax provision | $ 17.8 | $ 116.1 | $ 312.3 | $ 282.5 | Ìý | Ìý |
| Effective income tax rate | Ìý | Ìý | 16.20% | 31.00% | Ìý | Ìý |
| Effective income tax rate before discrete items | Ìý | Ìý | Ìý | Ìý | 22.70% | Ìý |
| U.S. statutory tax rate | Ìý | Ìý | 35.00% | Ìý | Ìý | Ìý |
| Increased valuation allowance against deferred tax assets | Ìý | Ìý | 25.9 | Ìý | Ìý | Ìý |
| Unrecognized tax benefits | Ìý | Ìý | Ìý | Ìý | Ìý | $ 79.8 |
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- Definition An entity's expected tax rate for the remainder of the current year before discrete items
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- Definition The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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