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Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Segment Reporting [Abstract] |
Reconciliation of Total Operating Revenue and Operating Income by Segment to Revenue and Net Income | A reconciliation of total operating revenue and operating income by segment to revenue and net income as reported in our consolidated statements of income follows:
| Year Ended December 31
| 2011 |  | 2010 |  | 2009
| (in millions of dollars)
Operating Revenue by Segment | $ | 10,282.9 |  |  | $ | 10,168.5 |  |  | $ | 10,079.3 |
Net Realized Investment Gain (Loss) | (4.9 | ) |  | 24.7 |  |  | 11.7 |
Revenue | $ | 10,278.0 |  |  | $ | 10,193.2 |  |  | $ | 10,091.0 |
Operating Income by Segment | $ | 262.1 |  |  | $ | 1,306.6 |  |  | $ | 1,280.6 |
Net Realized Investment Gain (Loss) | (4.9 | ) |  | 24.7 |  |  | 11.7 |
Income Tax | 21.8 |  |  | 445.2 |  |  | 439.7 |
Net Income | $ | 235.4 |  |  | $ | 886.1 |  |  | $ | 852.6 |
Premium Income by Major Line of Business within Each Segment | Premium income by major line of business within each of our segments is presented as follows.
| Year Ended December 31
| 2011 |  | 2010 |  | 2009
| (in millions of dollars)
Unum US |  |  |  |  |
Group Disability |  |  |  |  |
Group Long-term Disability | $ | 1,580.2 |  |  | $ | 1,639.4 |  |  | $ | 1,726.9 |
Group Short-term Disability | 455.2 |  |  | 430.9 |  |  | 432.8 |
Group Life and Accidental Death & Dismemberment |  |  |  |  |
Group Life | 1,106.7 |  |  | 1,090.3 |  |  | 1,057.7 |
Accidental Death & Dismemberment | 109.2 |  |  | 106.1 |  |  | 104.9 |
Supplemental and Voluntary |  |  |  |  |
Individual Disability - Recently Issued | 464.7 |  |  | 457.9 |  |  | 463.7 |
Voluntary Benefits | 580.0 |  |  | 530.8 |  |  | 492.4 |
| 4,296.0 |  |  | 4,255.4 |  |  | 4,278.4 |
Unum UK |  |  |  |  |
Group Long-term Disability | 419.6 |  |  | 421.2 |  |  | 482.4 |
Group Life | 203.6 |  |  | 171.6 |  |  | 147.8 |
Supplemental and Voluntary | 64.4 |  |  | 57.8 |  |  | 55.9 |
| 687.6 |  |  | 650.6 |  |  | 686.1 |
Colonial Life |  |  |  |  |
Accident, Sickness, and Disability | 695.3 |  |  | 661.0 |  |  | 625.8 |
Life | 190.7 |  |  | 176.5 |  |  | 165.6 |
Cancer and Critical Illness | 249.3 |  |  | 238.2 |  |  | 223.7 |
| 1,135.3 |  |  | 1,075.7 |  |  | 1,015.1 |
Closed Block |  |  |  |  |
Individual Disability | 787.0 |  |  | 847.0 |  |  | 898.5 |
Long-term Care | 608.1 |  |  | 599.2 |  |  | 594.7 |
All Other | 0.2 |  |  | 3.5 |  |  | 2.7 |
| 1,395.3 |  |  | 1,449.7 |  |  | 1,495.9 |
Total | $ | 7,514.2 |  |  | $ | 7,431.4 |  |  | $ | 7,475.5 |
Selected Operating Statement Data by Segment | Selected operating statement data by segment is presented as follows:
| Unum US |  | Unum UK |  | Colonial Life |  | Closed Block |  | Corporate |  | Total
| (in millions of dollars)
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |
Premium Income | $ | 4,296.0 |  |  | $ | 687.6 |  |  | $ | 1,135.3 |  |  | $ | 1,395.3 |  |  | $ | — |  |  | $ | 7,514.2 |
Net Investment Income | 951.4 |  |  | 189.9 |  |  | 132.4 |  |  | 1,189.7 |  |  | 56.2 |  |  | 2,519.6 |
Other Income | 121.6 |  |  | 0.3 |  |  | 0.5 |  |  | 106.1 |  |  | 20.6 |  |  | 249.1 |
Operating Revenue | $ | 5,369.0 |  |  | $ | 877.8 |  |  | $ | 1,268.2 |  |  | $ | 2,691.1 |  |  | $ | 76.8 |  |  | $ | 10,282.9 |
Operating Income (Loss) | $ | 819.8 |  |  | $ | 192.0 |  |  | $ | 282.1 |  |  | $ | (921.5 | ) |  | $ | (110.3 | ) |  | $ | 262.1 |
Interest and Debt Expense | $ | 1.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 10.5 |  |  | $ | 131.8 |  |  | $ | 143.3 |
Depreciation and Amortization | $ | 356.5 |  |  | $ | 40.7 |  |  | $ | 202.4 |  |  | $ | 22.7 |  |  | $ | 0.8 |  |  | $ | 623.1 |
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |
Premium Income | $ | 4,255.4 |  |  | $ | 650.6 |  |  | $ | 1,075.7 |  |  | $ | 1,449.7 |  |  | $ | — |  |  | $ | 7,431.4 |
Net Investment Income | 941.5 |  |  | 170.5 |  |  | 122.5 |  |  | 1,166.4 |  |  | 94.6 |  |  | 2,495.5 |
Other Income | 122.8 |  |  | 1.2 |  |  | 0.7 |  |  | 113.6 |  |  | 3.3 |  |  | 241.6 |
Operating Revenue | $ | 5,319.7 |  |  | $ | 822.3 |  |  | $ | 1,198.9 |  |  | $ | 2,729.7 |  |  | $ | 97.9 |  |  | $ | 10,168.5 |
Operating Income (Loss) | $ | 769.1 |  |  | $ | 208.8 |  |  | $ | 282.2 |  |  | $ | 117.6 |  |  | $ | (71.1 | ) |  | $ | 1,306.6 |
Interest and Debt Expense | $ | 1.2 |  |  | $ | — |  |  | $ | — |  |  | $ | 11.7 |  |  | $ | 128.9 |  |  | $ | 141.8 |
Depreciation and Amortization | $ | 360.9 |  |  | $ | 38.2 |  |  | $ | 200.1 |  |  | $ | 31.6 |  |  | $ | 1.1 |  |  | $ | 631.9 |
Year Ended December 31, 2009 |  |  |  |  |  |  |  |  |  |  |
Premium Income | $ | 4,278.4 |  |  | $ | 686.1 |  |  | $ | 1,015.1 |  |  | $ | 1,495.9 |  |  | $ | — |  |  | $ | 7,475.5 |
Net Investment Income | 934.3 |  |  | 124.5 |  |  | 114.3 |  |  | 1,106.8 |  |  | 66.7 |  |  | 2,346.6 |
Other Income | 118.8 |  |  | 2.4 |  |  | 0.5 |  |  | 131.1 |  |  | 4.4 |  |  | 257.2 |
Operating Revenue | $ | 5,331.5 |  |  | $ | 813.0 |  |  | $ | 1,129.9 |  |  | $ | 2,733.8 |  |  | $ | 71.1 |  |  | $ | 10,079.3 |
Operating Income (Loss) | $ | 717.6 |  |  | $ | 249.6 |  |  | $ | 280.9 |  |  | $ | 124.4 |  |  | $ | (91.9 | ) |  | $ | 1,280.6 |
Interest and Debt Expense | $ | 2.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 16.6 |  |  | $ | 106.8 |  |  | $ | 125.4 |
Depreciation and Amortization | $ | 344.7 |  |  | $ | 42.4 |  |  | $ | 192.0 |  |  | $ | 29.6 |  |  | $ | 1.6 |  |  | $ | 610.3 |
Deferred Policy Acquisition Costs | The following table provides the changes in deferred acquisition costs by segment:
|  |  |  |  | Colonial |  | Closed |  |
| Unum US |  | Unum UK |  | Life |  | Block |  | Total
| (in millions of dollars)
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |
Beginning of Year | $ | 1,362.2 |  |  | $ | 58.2 |  |  | $ | 805.0 |  |  | $ | 295.7 |  |  | $ | 2,521.1 |
Capitalized | 333.8 |  |  | 30.6 |  |  | 252.9 |  |  | 11.0 |  |  | 628.3 |
Amortization | (298.7 | ) |  | (29.2 | ) |  | (189.0 | ) |  | (16.9 | ) |  | (533.8 | )
Impairment of Long-term Care Deferred Acquisition Costs | — |  |  | — |  |  | — |  |  | (289.8 | ) |  | (289.8 | )
Adjustment Related to Unrealized Investment Gains/Losses | (5.0 | ) |  | — |  |  | (19.7 | ) |  | — |  |  | (24.7 | )
Foreign Currency | — |  |  | (0.2 | ) |  | — |  |  | — |  |  | (0.2 | )
End of Year | $ | 1,392.3 |  |  | $ | 59.4 |  |  | $ | 849.2 |  |  | $ | — |  |  | $ | 2,300.9 |
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |
Beginning of Year | $ | 1,351.5 |  |  | $ | 58.9 |  |  | $ | 761.2 |  |  | $ | 310.9 |  |  | $ | 2,482.5 |
Capitalized | 323.2 |  |  | 28.3 |  |  | 246.4 |  |  | 9.8 |  |  | 607.7 |
Amortization | (307.9 | ) |  | (27.0 | ) |  | (187.2 | ) |  | (25.0 | ) |  | (547.1 | )
Adjustment Related to Unrealized Investment Gains/Losses | (4.6 | ) |  | — |  |  | (15.4 | ) |  | — |  |  | (20.0 | )
Foreign Currency | — |  |  | (2.0 | ) |  | — |  |  | — |  |  | (2.0 | )
End of Year | $ | 1,362.2 |  |  | $ | 58.2 |  |  | $ | 805.0 |  |  | $ | 295.7 |  |  | $ | 2,521.1 |
Year Ended December 31, 2009 |  |  |  |  |  |  |  |  |
Beginning of Year | $ | 1,341.4 |  |  | $ | 54.7 |  |  | $ | 755.9 |  |  | $ | 320.4 |  |  | $ | 2,472.4 |
Capitalized | 321.6 |  |  | 29.1 |  |  | 229.0 |  |  | 13.9 |  |  | 593.6 |
Amortization | (293.8 | ) |  | (30.5 | ) |  | (178.5 | ) |  | (23.4 | ) |  | (526.2 | )
Adjustment Related to Unrealized Investment Gains/Losses | (17.7 | ) |  | — |  |  | (45.2 | ) |  | — |  |  | (62.9 | )
Foreign Currency | — |  |  | 5.6 |  |  | — |  |  | — |  |  | 5.6 |
End of Year | $ | 1,351.5 |  |  | $ | 58.9 |  |  | $ | 761.2 |  |  | $ | 310.9 |  |  | $ | 2,482.5 |
Assets by Segment | Assets by segment are as follows:
| December 31
| 2011 |  | 2010
| (in millions of dollars)
Unum US | $ | 19,004.1 |  |  | $ | 18,572.1 |
Unum UK | 3,568.1 |  |  | 3,386.3 |
Colonial Life | 3,352.5 |  |  | 3,047.3 |
Closed Block | 31,439.5 |  |  | 29,418.7 |
Corporate | 2,814.8 |  |  | 2,883.3 |
Total | $ | 60,179.0 |  |  | $ | 57,307.7 |

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