v2.4.0.6

Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2012
Statement of Income and Comprehensive Income [Abstract] |
Schedule of Comprehensive Income (Loss) [Table Text Block] | The components of Other Comprehensive Income Tax Benefit (Expense) for the three months ended March 31, 2012 and 2011 was:
|  | Three Months Ended
(Dollars in Millions) |  | Mar 31, 2012 |  | Mar 31, 2011
Income Tax Benefit (Expense): |  |  |  |
Unrealized Holding (Gains) Losses Arising During the Period Before Reclassification Adjustment |  | $ | (1.8 | ) |  | $ | 4.5 |
Reclassification Adjustment for Amounts Included in Net Income |  | 1.4 |  |  | 4.8 |
Unrealized Holding (Gains) Losses |  | (0.4 | ) |  | 9.3 |
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment |  | (0.3 | ) |  | (0.1 | )
Reclassification Adjustment for Amounts Included in Net Income |  | — |  |  | — |
Foreign Currency Translation Adjustment |  | (0.3 | ) |  | (0.1 | )
Amortization of Unrecognized Postretirement Benefit Costs |  | (1.6 | ) |  | (0.7 | )
Other Comprehensive Income Tax Benefit (Expense) |  | $ | (2.3 | ) |  | $ | 8.5 |
The components of Other Comprehensive Income (Loss) Before Income Taxes for the three months ended March 31, 2012 and 2011 was:
|  | Three Months Ended
(Dollars in Millions) |  | Mar 31, 2012 |  | Mar 31, 2011
Other Comprehensive Income (Loss) Before Income Taxes: |  |  |  |
Unrealized Holding Gains (Losses) Arising During the Period Before Reclassification Adjustment |  | $ | 5.2 |  |  | $ | (12.9 | )
Reclassification Adjustment for Amounts Included in Net Income |  | (3.9 | ) |  | (13.7 | )
Unrealized Holding Gains (Losses) |  | 1.3 |  |  | (26.6 | )
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment |  | 0.7 |  |  | 0.4 |
Reclassification Adjustment for Amounts Included in Net Income |  | — |  |  | — |
Foreign Currency Translation Adjustments |  | 0.7 |  |  | 0.4 |
Amortization of Unrecognized Postretirement Benefit Costs |  | 4.4 |  |  | 1.9 |
Other Comprehensive Income (Loss) Before Income Taxes |  | $ | 6.4 |  |  | $ | (24.3 | )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of Accumulated Other Comprehensive Income at March 31, 2012 and December 31, 2011 were:
(Dollars in Millions) |  | Mar 31, 2012 |  | Dec 31, 2011
Unrealized Gains on Investments, Net of Income Taxes: |  |  |  |
Available for Sale Fixed Maturities with Portion of OTTI Recognized in Earnings |  | $ | 1.7 |  |  | $ | 1.5 |
Other Unrealized Gains on Investments |  | 346.4 |  |  | 345.7 |
Foreign Currency Translation Adjustments, Net of Income Taxes |  | 0.1 |  |  | (0.3 | )
Net Unrecognized Postretirement Benefit Costs, Net of Income Taxes |  | (86.1 | ) |  | (88.9 | )
Accumulated Other Comprehensive Income |  | $ | 262.1 |  |  | $ | 258.0 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 220 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 45 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e526-108580 + Details
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