v2.4.0.6

Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2012
Fair Value Disclosures [Abstract] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] | The valuation of assets measured at fair value in the Company’s Condensed Consolidated Balance Sheet at December 31, 2011 is summarized below:
|  | Fair Value Measurements |  |
(Dollars in Millions) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total Fair Value
Fixed Maturities: |  |  |  |  |  |  |  |
U.S. Government and Government Agencies and Authorities |  | $ | 153.6 |  |  | $ | 338.1 |  |  | $ | — |  |  | $ | 491.7 |
States and Political Subdivisions |  | — |  |  | 1,852.6 |  |  | — |  |  | 1,852.6 |
Corporate Securities: |  |  |  |  |  |  |  |
Bonds and Notes |  | — |  |  | 2,107.2 |  |  | 235.1 |  |  | 2,342.3 |
Redeemable Preferred Stocks |  | — |  |  | 75.6 |  |  | 6.1 |  |  | 81.7 |
Mortgage and Asset-backed |  | — |  |  | 4.8 |  |  | 0.3 |  |  | 5.1 |
Total Investments in Fixed Maturities |  | 153.6 |  |  | 4,378.3 |  |  | 241.5 |  |  | 4,773.4 |
Equity Securities: |  |  |  |  |  |  |  |
Preferred Stocks: |  |  |  |  |  |  |  |
Finance, Insurance and Real Estate |  | — |  |  | 86.7 |  |  | — |  |  | 86.7 |
Other Industries |  | — |  |  | 14.9 |  |  | 5.6 |  |  | 20.5 |
Common Stocks: |  |  |  |  |  |  |  |
Manufacturing |  | 74.7 |  |  | 5.0 |  |  | 3.7 |  |  | 83.4 |
Other Industries |  | 42.8 |  |  | — |  |  | 4.2 |  |  | 47.0 |
Other Equity Interests: |  |  |  |  |  |  |  |
Exchange Traded Funds |  | 66.6 |  |  | — |  |  | — |  |  | 66.6 |
Limited Liability Companies and Limited Partnerships |  | — |  |  | — |  |  | 93.1 |  |  | 93.1 |
Total Investments in Equity Securities |  | 184.1 |  |  | 106.6 |  |  | 106.6 |  |  | 397.3 |
Other Investments: |  |  |  |  |  |  |  |
Trading Securities |  | 4.4 |  |  | — |  |  | — |  |  | 4.4 |
Total |  | $ | 342.1 |  |  | $ | 4,484.9 |  |  | $ | 348.1 |  |  | $ | 5,175.1 |
The valuation of assets measured at fair value in the Company’s Condensed Consolidated Balance Sheet at September 30, 2012 is summarized below:
|  | Fair Value Measurements |  |
(Dollars in Millions) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total Fair Value
Fixed Maturities: |  |  |  |  |  |  |  |
U.S. Government and Government Agencies and Authorities |  | $ | 138.9 |  |  | $ | 317.7 |  |  | $ | — |  |  | $ | 456.6 |
States and Political Subdivisions |  | — |  |  | 1,436.0 |  |  | — |  |  | 1,436.0 |
Corporate Securities: |  |  |  |  |  |  |  |
Bonds and Notes |  | — |  |  | 2,475.5 |  |  | 311.1 |  |  | 2,786.6 |
Redeemable Preferred Stocks |  | — |  |  | 36.9 |  |  | 4.8 |  |  | 41.7 |
Mortgage and Asset-backed |  | — |  |  | 4.5 |  |  | 0.2 |  |  | 4.7 |
Total Investments in Fixed Maturities |  | 138.9 |  |  | 4,270.6 |  |  | 316.1 |  |  | 4,725.6 |
Equity Securities: |  |  |  |  |  |  |  |
Preferred Stocks: |  |  |  |  |  |  |  |
Finance, Insurance and Real Estate |  | — |  |  | 84.7 |  |  | — |  |  | 84.7 |
Other Industries |  | — |  |  | 15.3 |  |  | 6.9 |  |  | 22.2 |
Common Stocks: |  |  |  |  |  |  |  |
Manufacturing |  | 82.4 |  |  | 5.6 |  |  | 2.2 |  |  | 90.2 |
Other Industries |  | 71.0 |  |  | 1.2 |  |  | 4.9 |  |  | 77.1 |
Other Equity Interests: |  |  |  |  |  |  |  |
Exchange Traded Funds |  | 151.8 |  |  | — |  |  | — |  |  | 151.8 |
Limited Liability Companies and Limited Partnerships |  | — |  |  | — |  |  | 119.7 |  |  | 119.7 |
Total Investments in Equity Securities |  | 305.2 |  |  | 106.8 |  |  | 133.7 |  |  | 545.7 |
Other Investments: |  |  |  |  |  |  |  |
Trading Securities |  | 4.5 |  |  | — |  |  | — |  |  | 4.5 |
Total |  | $ | 448.6 |  |  | $ | 4,377.4 |  |  | $ | 449.8 |  |  | $ | 5,275.8 |
Fair Value Inputs, Assets, Quantitative Information [Table Text Block] | The table below presents quantitative information about the significant unobservable inputs utilized by the Company in determining fair values for the vast majority of investments in fixed maturities classified as Level 3.
(Dollars in Millions) |  | Unobservable Input |  | Total Fair Value |  | Range of Unobservable Inputs |  | Weighted Average Market Yield
Senior Debt |  | Market Yield |  | $ | 142.5 |  |  | 1.2% | - | 17.0% |  | 6.6 | %
Junior Debt |  | Market Yield |  | $ | 147.9 |  |  | 9% | - | 25.1% |  | 14.8 | %
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the nine months ended September 30, 2011 is presented below:
|  | Fixed Maturities |  | Equity Securities |  |
(Dollars in Millions) |  | Corporate Bonds and Notes |  | Redeemable Preferred Stocks |  | Mortgage and Asset- backed |  | Preferred and Common Stocks |  | Other Equity Interests |  | Total
Balance at Beginning of Period |  | $ | 146.2 |  |  | $ | 4.5 |  |  | $ | 0.4 |  |  | $ | 14.7 |  |  | $ | 75.2 |  |  | $ | 241.0 |
Total Gains (Losses): |  |  |  |  |  |  |  |  |  |  |  |
Included in Condensed Consolidated Statement of Income |  | 1.0 |  |  | — |  |  | — |  |  | 4.6 |  |  | 0.3 |  |  | 5.9 |
Included in Other Comprehensive Income |  | 2.5 |  |  | — |  |  | — |  |  | (5.5 | ) |  | (16.6 | ) |  | (19.6 | )
Purchases |  | 76.1 |  |  | — |  |  | — |  |  | 1.5 |  |  | 23.9 |  |  | 101.5 |
Settlements |  | (44.1 | ) |  | — |  |  | (0.1 | ) |  | (0.4 | ) |  | (10.6 | ) |  | (55.2 | )
Sales |  | (0.5 | ) |  | — |  |  | — |  |  | (5.7 | ) |  | — |  |  | (6.2 | )
Transfers into Level 3 |  | 5.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 5.4 |
Balance at End of Period |  | $ | 186.6 |  |  | $ | 4.5 |  |  | $ | 0.3 |  |  | $ | 9.2 |  |  | $ | 72.2 |  |  | $ | 272.8 |
Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the three months ended September 30, 2011 is presented below:
|  | Fixed Maturities |  | Equity Securities |  |
(Dollars in Millions) |  | Corporate Bonds and Notes |  | Redeemable Preferred Stocks |  | Mortgage and Asset- backed |  | Preferred and Common Stocks |  | Other Equity Interests |  | Total
Balance at Beginning of Period |  | $ | 174.8 |  |  | $ | 6.4 |  |  | $ | 0.3 |  |  | $ | 8.5 |  |  | $ | 80.1 |  |  | $ | 270.1 |
Total Gains (Losses): |  |  |  |  |  |  |  |  |  |  |  |
Included in Condensed Consolidated Statement of Income |  | 0.6 |  |  | — |  |  | — |  |  | (0.1 | ) |  | 0.3 |  |  | 0.8 |
Included in Other Comprehensive Income |  | 1.1 |  |  | (1.9 | ) |  | — |  |  | (0.2 | ) |  | (13.7 | ) |  | (14.7 | )
Purchases |  | 20.1 |  |  | — |  |  | — |  |  | 1.0 |  |  | 8.3 |  |  | 29.4 |
Settlements |  | (15.4 | ) |  | — |  |  | — |  |  | — |  |  | (2.8 | ) |  | (18.2 | )
Transfers into Level 3 |  | 5.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 5.4 |
Balance at End of Period |  | $ | 186.6 |  |  | $ | 4.5 |  |  | $ | 0.3 |  |  | $ | 9.2 |  |  | $ | 72.2 |  |  | $ | 272.8 |
Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the nine months ended September 30, 2012 is presented below:
|  | Fixed Maturities |  | Equity Securities |  |
(Dollars in Millions) |  | Corporate Bonds and Notes |  | Redeemable Preferred Stocks |  | Mortgage and Asset- backed |  | Preferred and Common Stocks |  | Other Equity Interests |  | Total
Balance at Beginning of Period |  | $ | 235.1 |  |  | $ | 6.1 |  |  | $ | 0.3 |  |  | $ | 13.5 |  |  | $ | 93.1 |  |  | $ | 348.1 |
Total Gains (Losses): |  |  |  |  |  |  |  |  |  |  |  |
Included in Condensed Consolidated Statement of Income |  | 3.5 |  |  | — |  |  | — |  |  | 3.2 |  |  | 0.3 |  |  | 7.0 |
Included in Other Comprehensive Income |  | 2.2 |  |  | 0.3 |  |  | — |  |  | (0.3 | ) |  | 3.1 |  |  | 5.3 |
Purchases |  | 123.1 |  |  | — |  |  | — |  |  | 1.3 |  |  | 33.5 |  |  | 157.9 |
Settlements |  | (52.2 | ) |  | (1.6 | ) |  | (0.1 | ) |  | — |  |  | (10.3 | ) |  | (64.2 | )
Sales |  | (0.5 | ) |  | — |  |  | — |  |  | (3.7 | ) |  | — |  |  | (4.2 | )
Transfers into Level 3 |  | 6.0 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 6.0 |
Transfers out of Level 3 |  | (6.1 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (6.1 | )
Balance at End of Period |  | $ | 311.1 |  |  | $ | 4.8 |  |  | $ | 0.2 |  |  | $ | 14.0 |  |  | $ | 119.7 |  |  | $ | 449.8 |
Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the three months ended September 30, 2012 is presented below:
|  | Fixed Maturities |  | Equity Securities |  |
(Dollars in Millions) |  | Corporate Bonds and Notes |  | Redeemable Preferred Stocks |  | Mortgage and Asset- backed |  | Preferred and Common Stocks |  | Other Equity Interests |  | Total
Balance at Beginning of Period |  | $ | 276.3 |  |  | $ | 4.6 |  |  | $ | 0.2 |  |  | $ | 13.4 |  |  | $ | 109.9 |  |  | $ | 404.4 |
Total Gains (Losses): |  |  |  |  |  |  |  |  |  |  |  |
Included in Condensed Consolidated Statement of Income |  | 1.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.4 |
Included in Other Comprehensive Income |  | 1.5 |  |  | 0.2 |  |  | — |  |  | 0.5 |  |  | 6.1 |  |  | 8.3 |
Purchases |  | 37.6 |  |  | — |  |  | — |  |  | 0.1 |  |  | 6.5 |  |  | 44.2 |
Settlements |  | (10.8 | ) |  | — |  |  | — |  |  | — |  |  | (2.8 | ) |  | (13.6 | )
Sales |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Transfers into Level 3 |  | 5.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 5.1 |
Balance at End of Period |  | $ | 311.1 |  |  | $ | 4.8 |  |  | $ | 0.2 |  |  | $ | 14.0 |  |  | $ | 119.7 |  |  | $ | 449.8 |

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- Definition Tabular disclosure related to assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. Disclosures include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3) as well as transfers between levels 1 and 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=7578670&loc=SL7498348-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets. This disclosure may include, but is not limited to, the fair value of the asset, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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