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Investments (Tables)
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6 Months Ended |
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Jun. 30, 2011
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| Schedule of Available-for-sale Securities [Line Items] |
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| Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block] |
The following table sets forth the pre-tax amount of other-than-temporary-impairment (“OTTI”) credit losses, recognized in Retained Earnings for Investments in Fixed Maturities held by the Company as of the dates indicated, for which a portion of the OTTI loss has been recognized in Accumulated Other Comprehensive Income, and the corresponding changes in such amounts. | | | | | | | | | | | | | | | | | | | | Six Months Ended | | Three Months Ended | (Dollars in Millions) | | Jun 30,
2011 | | Jun 30,
2010 | | Jun 30,
2011 | | Jun 30,
2010 | Balance at Beginning of Period | | $ | 2.4 |
| | $ | 3.7 |
| | $ | 2.3 |
| | $ | 5.6 |
| Additions for Previously Unrecognized OTTI Credit Losses | | — |
| | 3.1 |
| | — |
| | — |
| Increases to Previously Recognized OTTI Credit Losses | | — |
| | 2.6 |
| | — |
| | 2.5 |
| Reductions to Previously Recognized OTTI Credit Losses | | (0.3 | ) | | (1.5 | ) | | (0.2 | ) | | (0.2 | ) | Reductions due to Intent to Sell Investments | | — |
| | (2.5 | ) | | — |
| | (2.5 | ) | Balance at End of Period | | $ | 2.1 |
| | $ | 5.4 |
| | $ | 2.1 |
| | $ | 5.4 |
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| Investments Classified by Contractual Maturity Date [Table Text Block] |
The estimated fair values of the Company’s Investments in Fixed Maturities at June 30, 2011, by contractual maturity, were: | | | | | | (Dollars in Millions) | | | Due in One Year or Less | | $ | 93.9 |
| Due after One Year to Five Years | | 466.6 |
| Due after Five Years to Ten Years | | 957.5 |
| Due after Ten Years | | 2,742.2 |
| Asset-backed Securities Not Due at a Single Maturity Date | | 313.0 |
| Investments in Fixed Maturities | | $ | 4,573.2 |
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| Schedule of Unrealized Loss on Investments [Table Text Block] |
An aging of unrealized losses on the Company’s Investments in Fixed Maturities and Equity Securities at December 31, 2010 is presented below: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or Longer | | Total | (Dollars in Millions) | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | Fixed Maturities: | | | | | | | | | | | | | U.S. Government and Government Agencies and Authorities | | $ | 18.5 |
| | $ | (0.1 | ) | | $ | 0.1 |
| | $ | — |
| | $ | 18.6 |
| | $ | (0.1 | ) | States and Political Subdivisions | | 455.6 |
| | (16.9 | ) | | 16.5 |
| | (3.8 | ) | | 472.1 |
| | (20.7 | ) | Corporate Securities: | | | | | | | | | | | | | Bonds and Notes | | 123.0 |
| | (3.7 | ) | | 87.8 |
| | (6.4 | ) | | 210.8 |
| | (10.1 | ) | Redeemable Preferred Stocks | | 0.7 |
| | — |
| | — |
| | — |
| | 0.7 |
| | — |
| Mortgage and Asset-backed | | — |
| | — |
| | 4.6 |
| | (1.3 | ) | | 4.6 |
| | (1.3 | ) | Total Fixed Maturities | | 597.8 |
| | (20.7 | ) | | 109.0 |
| | (11.5 | ) | | 706.8 |
| | (32.2 | ) | Equity Securities: | | | | | | | | | | | | | Preferred Stocks: | | | | | | | | | | | | | Finance, Insurance and Real Estate | | 3.0 |
| | — |
| | 2.6 |
| | (0.2 | ) | | 5.6 |
| | (0.2 | ) | Other Industries | | 0.7 |
| | (0.1 | ) | | 2.8 |
| | (0.1 | ) | | 3.5 |
| | (0.2 | ) | Common Stocks: | | | | | | | | | | | | | Manufacturing | | 7.9 |
| | (0.3 | ) | | 1.7 |
| | — |
| | 9.6 |
| | (0.3 | ) | Other Industries | | 6.3 |
| | (0.1 | ) | | — |
| | — |
| | 6.3 |
| | (0.1 | ) | Other Equity Interests: | | | | | | | | | | | | | Limited Liability Companies and Limited Partnerships | | 2.2 |
| | (0.3 | ) | | 6.1 |
| | (0.9 | ) | | 8.3 |
| | (1.2 | ) | Total Equity Securities | | 20.1 |
| | (0.8 | ) | | 13.2 |
| | (1.2 | ) | | 33.3 |
| | (2.0 | ) | Total | | $ | 617.9 |
| | $ | (21.5 | ) | | $ | 122.2 |
| | $ | (12.7 | ) | | $ | 740.1 |
| | $ | (34.2 | ) |
An aging of unrealized losses on the Company’s Investments in Fixed Maturities and Equity Securities at June 30, 2011 is presented below: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or Longer | | Total | (Dollars in Millions) | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | Fixed Maturities: | | | | | | | | | | | | | U.S. Government and Government Agencies and Authorities | | $ | 11.0 |
| | $ | (0.2 | ) | | $ | — |
| | $ | — |
| | $ | 11.0 |
| | $ | (0.2 | ) | States and Political Subdivisions | | 245.3 |
| | (3.9 | ) | | 18.4 |
| | (1.9 | ) | | 263.7 |
| | (5.8 | ) | Corporate Securities: | | | | | | | | | | | | | Bonds and Notes | | 128.1 |
| | (2.6 | ) | | 69.0 |
| | (4.4 | ) | | 197.1 |
| | (7.0 | ) | Redeemable Preferred Stocks | | 0.8 |
| | — |
| | — |
| | — |
| | 0.8 |
| | — |
| Mortgage and Asset-backed | | 0.1 |
| | — |
| | 3.6 |
| | (0.7 | ) | | 3.7 |
| | (0.7 | ) | Total Fixed Maturities | | 385.3 |
| | (6.7 | ) | | 91.0 |
| | (7.0 | ) | | 476.3 |
| | (13.7 | ) | Equity Securities: | | | | | | | | | | | | | Preferred Stocks: | | | | | | | | | | | | | Finance, Insurance and Real Estate | | — |
| | — |
| | 2.3 |
| | (0.1 | ) | | 2.3 |
| | (0.1 | ) | Other Industries | | 1.7 |
| | — |
| | 2.8 |
| | (0.1 | ) | | 4.5 |
| | (0.1 | ) | Common Stocks: | | | | | | | | | | | | | Manufacturing | | 1.3 |
| | — |
| | — |
| | — |
| | 1.3 |
| | — |
| Other Industries | | 8.2 |
| | (0.7 | ) | | — |
| | — |
| | 8.2 |
| | (0.7 | ) | Other Equity Interests: | | | | | | | | | | | | | Exchange Traded Funds | | 44.2 |
| | (0.2 | ) | | — |
| | — |
| | 44.2 |
| | (0.2 | ) | Limited Liability Companies and Limited Partnerships | | 19.8 |
| | (0.6 | ) | | 1.8 |
| | (0.3 | ) | | 21.6 |
| | (0.9 | ) | Total Equity Securities | | 75.2 |
| | (1.5 | ) | | 6.9 |
| | (0.5 | ) | | 82.1 |
| | (2.0 | ) | Total | | $ | 460.5 |
| | $ | (8.2 | ) | | $ | 97.9 |
| | $ | (7.5 | ) | | $ | 558.4 |
| | $ | (15.7 | ) |
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| Schedule of Other Investments [Table Text Block] |
The carrying values of the Company’s Other Investments at June 30, 2011 and December 31, 2010 were: | | | | | | | | | | (Dollars in Millions) | | Jun 30,
2011 | | Dec 31,
2010 | Loans to Policyholders at Unpaid Principal | | $ | 243.7 |
| | $ | 238.4 |
| Real Estate at Depreciated Cost | | 247.9 |
| | 249.9 |
| Trading Securities at Fair Value | | 5.0 |
| | 5.1 |
| Other | | 0.6 |
| | 0.8 |
| Total | | $ | 497.2 |
| | $ | 494.2 |
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Equity Securities [Member]
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| Schedule of Available-for-sale Securities [Line Items] |
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| Schedule of Available-for-sale Securities Reconciliation [Table Text Block] |
Gross unrealized gains and gross unrealized losses on the Company’s Investments in Equity Securities at December 31, 2010 were: | | | | | | | | | | | | | | | | | | | | | | Gross Unrealized | | | (Dollars in Millions) | | Cost | | Gains | | Losses | | Fair Value | Preferred Stocks: | | | | | | | | | Finance, Insurance and Real Estate | | $ | 94.4 |
| | $ | 3.5 |
| | $ | (0.2 | ) | | $ | 97.7 |
| Other Industries | | 20.0 |
| | 7.6 |
| | (0.2 | ) | | 27.4 |
| Common Stocks: | | | | | | | | | Intermec | | 86.9 |
| | 50.6 |
| | — |
| | 137.5 |
| Manufacturing | | 75.3 |
| | 14.6 |
| | (0.3 | ) | | 89.6 |
| Other Industries | | 37.3 |
| | 6.6 |
| | (0.1 | ) | | 43.8 |
| Other Equity Interests: | | | | | | | | | Exchange Traded Funds | | 76.5 |
| | 2.7 |
| | — |
| | 79.2 |
| Limited Liability Companies and Limited Partnerships | | 58.8 |
| | 17.6 |
| | (1.2 | ) | | 75.2 |
| Investments in Equity Securities | | $ | 449.2 |
| | $ | 103.2 |
| | $ | (2.0 | ) | | $ | 550.4 |
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Gross unrealized gains and gross unrealized losses on the Company’s Investments in Equity Securities at June 30, 2011 were: | | | | | | | | | | | | | | | | | | | | | | Gross Unrealized | | | (Dollars in Millions) | | Cost | | Gains | | Losses | | Fair Value | Preferred Stocks: | | | | | | | | | Finance, Insurance and Real Estate | | $ | 94.3 |
| | $ | 4.4 |
| | $ | (0.1 | ) | | $ | 98.6 |
| Other Industries | | 18.2 |
| | 2.4 |
| | (0.1 | ) | | 20.5 |
| Common Stocks: | | | | | | | | | Intermec | | 70.3 |
| | 26.8 |
| | — |
| | 97.1 |
| Manufacturing | | 63.6 |
| | 15.0 |
| | — |
| | 78.6 |
| Other Industries | | 38.8 |
| | 7.1 |
| | (0.7 | ) | | 45.2 |
| Other Equity Interests: | | | | | | | | | Exchange Traded Funds | | 83.1 |
| | — |
| | (0.2 | ) | | 82.9 |
| Limited Liability Companies and Limited Partnerships | | 66.5 |
| | 14.5 |
| | (0.9 | ) | | 80.1 |
| Investments in Equity Securities | | $ | 434.8 |
| | $ | 70.2 |
| | $ | (2.0 | ) | | $ | 503.0 |
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Debt Securities [Member]
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| Schedule of Available-for-sale Securities [Line Items] |
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| Schedule of Available-for-sale Securities Reconciliation [Table Text Block] |
The amortized cost and estimated fair values of the Company’s Investments in Fixed Maturities at June 30, 2011 were: | | | | | | | | | | | | | | | | | | | | Amortized Cost | | Gross Unrealized | | Fair Value | (Dollars in Millions) | | Gains | | Losses | | U.S. Government and Government Agencies and Authorities | | $ | 461.3 |
| | $ | 32.5 |
| | $ | (0.2 | ) | | $ | 493.6 |
| States and Political Subdivisions | | 1,779.6 |
| | 69.5 |
| | (5.8 | ) | | 1,843.3 |
| Corporate Securities: | | | | | | | | | Bonds and Notes | | 1,956.3 |
| | 196.0 |
| | (7.0 | ) | | 2,145.3 |
| Redeemable Preferred Stocks | | 78.4 |
| | 5.6 |
| | — |
| | 84.0 |
| Mortgage and Asset-backed | | 6.2 |
| | 1.5 |
| | (0.7 | ) | | 7.0 |
| Investments in Fixed Maturities | | $ | 4,281.8 |
| | $ | 305.1 |
| | $ | (13.7 | ) | | $ | 4,573.2 |
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The amortized cost and estimated fair values of the Company’s Investments in Fixed Maturities at December 31, 2010 were: | | | | | | | | | | | | | | | | | | | | Amortized Cost | | Gross Unrealized | | Fair Value | (Dollars in Millions) | | Gains | | Losses | | U.S. Government and Government Agencies and Authorities | | $ | 508.6 |
| | $ | 28.4 |
| | $ | (0.1 | ) | | $ | 536.9 |
| States and Political Subdivisions | | 1,760.0 |
| | 53.5 |
| | (20.7 | ) | | 1,792.8 |
| Corporate Securities: | | | | | | | | | Bonds and Notes | | 1,880.3 |
| | 178.8 |
| | (10.1 | ) | | 2,049.0 |
| Redeemable Preferred Stocks | | 83.4 |
| | 4.9 |
| | — |
| | 88.3 |
| Mortgage and Asset-backed | | 8.5 |
| | 1.1 |
| | (1.3 | ) | | 8.3 |
| Investments in Fixed Maturities | | $ | 4,240.8 |
| | $ | 266.7 |
| | $ | (32.2 | ) | | $ | 4,475.3 |
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