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Consolidated Statement of Comprehensive Income (Parenthetical) (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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| Statement of Income and Comprehensive Income [Abstract] | |||
| Tax provision (benefit) on unrealized gains and losses on available-for-sale investments included in other comprehensive income | $ 0.1 | $ 1.1 | $ 0.5 |
| Tax provision (benefit) on unrealized gains and losses on hedging instruments included in other comprehensive income | 2.0 | (21.7) | 0.1 |
| Tax benefit (provision) on pension and other postretirement benefit liability adjustments in other comprehensive income | $ 18.4 | $ 36.9 | $ 9.7 |
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- Definition
Tax effect of the appreciation (loss) in value of unsold available-for-sale securities attributable to the parent entity. Excludes amounts related to other than temporary impairment (OTTI) losses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect, net of reclassification adjustments, of the change in accumulated other comprehensive income (loss) related to pension and other postretirement benefit plans, attributable to the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect, net of reclassifications adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, which is attributable to the parent entity. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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