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Income Taxes - Changes Occurred in Amount of Unrecognized Tax Benefits (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Income Tax Disclosure [Abstract] | |||
| Beginning balance of unrecognized tax benefits | $ 32.4 | $ 31.6 | $ 39.3 |
| Additions for current year tax positions | 7.8 | 5.5 | 4.3 |
| Additions for prior year tax positions | 4.5 | 2.0 | 1.1 |
| Reductions for prior year tax positions | (0.1) | (0.9) | (2.3) |
| Reductions for audit settlements | (0.3) | (0.7) | (8.6) |
| Reductions for the expiration of statutes of limitation | (4.9) | (4.5) | (2.4) |
| Changes due to foreign currency translation adjustments | 0.3 | (0.6) | 0.2 |
| Ending balance of unrecognized tax benefits (excluding interest and penalties) | 39.7 | 32.4 | 31.6 |
| Interest and penalties associated with unrecognized tax benefits | 7.4 | 6.6 | 6.9 |
| Ending balance of unrecognized tax benefits (including interest and penalties) | $ 47.1 | $ 39.0 | $ 38.5 |
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- Definition
The gross amount of unrecognized tax benefits including interest and penalties as of the balance sheet date. No definition available.
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- Definition
Unrecognized tax benefits gross interest and penalties. No definition available.
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- Definition
Unrecognized Tax Benefits Increase Decrease Resulting From Foreign Currency Translation No definition available.
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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 gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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