v2.3.0.15

Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2011
Statement of Income and Comprehensive Income [Abstract] |
Schedule of Comprehensive Income (Loss) [Table Text Block] | Other Comprehensive Income for the nine and three months ended September 30, 2011 and 2010 was:
|  | Nine Months Ended |  | Three Months Ended
(Dollars in Millions) |  | Sep 30, 2011 |  | Sep 30, 2010 |  | Sep 30, 2011 |  | Sep 30, 2010
Other Comprehensive Income (Loss) Before Income Taxes: |  |  |  |  |  |  |  |
Unrealized Holding Gains (Losses) Arising During the Period Before Reclassification Adjustment |  | $ | 192.0 |  |  | $ | 343.1 |  |  | $ | 138.0 |  |  | $ | 176.4 |
Reclassification Adjustment for Amounts Included in Net Income |  | (27.2 | ) |  | 0.3 |  |  | 3.5 |  |  | 1.2 |
Unrealized Holding Gains (Losses) |  | 164.8 |  |  | 343.4 |  |  | 141.5 |  |  | 177.6 |
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment |  | 0.6 |  |  | (1.4 | ) |  | — |  |  | 0.7 |
Reclassification Adjustment for Amounts Included in Net Income |  | — |  |  | 2.1 |  |  | — |  |  | — |
Foreign Currency Translation Adjustments |  | 0.6 |  |  | 0.7 |  |  | — |  |  | 0.7 |
Equity in Other Comprehensive Income of Investee |  | — |  |  | 2.9 |  |  | — |  |  | 7.9 |
Amortization of Unrecognized Postretirement Benefit Costs |  | 6.5 |  |  | 0.8 |  |  | 2.1 |  |  | 0.2 |
Other Comprehensive Income (Loss) Before Income Taxes |  | 171.9 |  |  | 347.8 |  |  | 143.6 |  |  | 186.4 |
Income Tax Benefit (Expense): |  |  |  |  |  |  |  |
Unrealized Holding Gains and Losses Arising During the Period Before Reclassification Adjustment |  | (68.4 | ) |  | (121.3 | ) |  | (49.2 | ) |  | (62.2 | )
Reclassification Adjustment for Amounts Included in Net Income |  | 9.6 |  |  | (0.1 | ) |  | (1.2 | ) |  | (0.5 | )
Unrealized Holding Gains and Losses |  | (58.8 | ) |  | (121.4 | ) |  | (50.4 | ) |  | (62.7 | )
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment |  | (0.2 | ) |  | 0.5 |  |  | — |  |  | (0.3 | )
Reclassification Adjustment for Amounts Included in Net Income |  | — |  |  | (0.8 | ) |  | — |  |  | — |
Foreign Currency Translation Adjustment |  | (0.2 | ) |  | (0.3 | ) |  | — |  |  | (0.3 | )
Equity in Other Comprehensive Income of Investee |  | — |  |  | (1.0 | ) |  | — |  |  | (2.7 | )
Amortization of Unrecognized Postretirement Benefit Costs |  | (2.2 | ) |  | (0.3 | ) |  | (0.6 | ) |  | (0.1 | )
Income Tax Benefit (Expense) |  | (61.2 | ) |  | (123.0 | ) |  | (51.0 | ) |  | (65.8 | )
Other Comprehensive Income |  | $ | 110.7 |  |  | $ | 224.8 |  |  | $ | 92.6 |  |  | $ | 120.6 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of Accumulated Other Comprehensive Income at September 30, 2011 and December 31, 2010 were:
(Dollars in Millions) |  | Sep 30, 2011 |  | Dec 31, 2010
Unrealized Gains on Investments, Net of Income Taxes: |  |  |  |
Available for Sale Fixed Maturities with Portion of OTTI Recognized in Earnings |  | $ | 0.6 |  |  | $ | 0.8 |
Other Unrealized Gains on Investments |  | 323.0 |  |  | 216.8 |
Foreign Currency Translation Adjustments, Net of Income Taxes |  | (0.2 | ) |  | (0.6 | )
Net Unrecognized Postretirement Benefit Costs, Net of Income Taxes |  | (55.3 | ) |  | (59.6 | )
Accumulated Other Comprehensive Income |  | $ | 268.1 |  |  | $ | 157.4 |

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration