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Amounts Recognized in Other Comprehensive Income (Loss) (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2011
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Dec. 31, 2010
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Pension Benefits
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Net actuarial loss (gain), taxes | $ 39.2 | $ 17.2 |
| Foreign currency exchange rate (gain) loss, taxes | 0 | (0.1) |
| Prior service (credit) cost, taxes | 0.2 | |
| Recognized actuarial loss, taxes | (4.4) | (3.4) |
| Amortization of prior service cost, taxes | (0.3) | (0.3) |
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Other Benefits
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Net actuarial loss (gain), taxes | (0.6) | 0.4 |
| Recognized actuarial loss, taxes | (0.5) | (0.4) |
| Amortization of prior service cost, taxes | $ 0.1 | $ 0.1 |
| X | ||||||||||
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- Definition
The tax effect from accumulated adjustment, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses). No definition available.
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- Definition
Other Comprehensive Income Change In Unamortized Prior Service Credit Tax No definition available.
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- Details
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- Definition
Tax effect on the accumulated change in the value of either the projected benefit obligation or plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
For each annual statement of income presented, the tax effect of the net gain (loss) recognized in other comprehensive income that is a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic benefit cost for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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