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Segment Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Segment Reporting [Abstract] |
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:
| Three Months Ended March 31
| 2013 |  | 2012
| (in millions of dollars)
Unum US |  |  |
Group Disability |  |  |
Group Long-term Disability | $ | 392.7 |  |  | $ | 395.5 |
Group Short-term Disability | 131.0 |  |  | 117.7 |
Group Life and Accidental Death & Dismemberment |  |  |
Group Life | 302.2 |  |  | 293.6 |
Accidental Death & Dismemberment | 30.9 |  |  | 28.3 |
Supplemental and Voluntary |  |  |
Individual Disability - Recently Issued | 120.1 |  |  | 118.4 |
Voluntary Benefits | 162.8 |  |  | 158.5 |
| 1,139.7 |  |  | 1,112.0 |
Unum UK |  |  |
Group Long-term Disability | 97.9 |  |  | 101.9 |
Group Life | 31.0 |  |  | 52.7 |
Supplemental and Voluntary | 14.9 |  |  | 16.1 |
| 143.8 |  |  | 170.7 |
Colonial Life |  |  |
Accident, Sickness, and Disability | 184.8 |  |  | 180.2 |
Life | 54.8 |  |  | 51.7 |
Cancer and Critical Illness | 67.5 |  |  | 64.4 |
| 307.1 |  |  | 296.3 |
Closed Block |  |  |
Individual Disability | 181.8 |  |  | 187.2 |
Long-term Care | 158.8 |  |  | 155.2 |
All Other | (0.3 | ) |  | 0.5 |
| 340.3 |  |  | 342.9 |
Total | $ | 1,930.9 |  |  | $ | 1,921.9 |
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)
Three Months Ended March 31, 2013 |  |  |  |  |  |  |  |  |  |  |
Premium Income | $ | 1,139.7 |  |  | $ | 143.8 |  |  | $ | 307.1 |  |  | $ | 340.3 |  |  | $ | — |  |  | $ | 1,930.9 |
Net Investment Income | 235.7 |  |  | 30.8 |  |  | 39.7 |  |  | 313.1 |  |  | 1.8 |  |  | 621.1 |
Other Income | 36.7 |  |  | 0.1 |  |  | — |  |  | 24.1 |  |  | 1.6 |  |  | 62.5 |
Operating Revenue | $ | 1,412.1 |  |  | $ | 174.7 |  |  | $ | 346.8 |  |  | $ | 677.5 |  |  | $ | 3.4 |  |  | $ | 2,614.5 |
Operating Income (Loss) | $ | 208.1 |  |  | $ | 31.3 |  |  | $ | 75.4 |  |  | $ | 27.3 |  |  | $ | (33.7 | ) |  | $ | 308.4 |
Three Months Ended March 31, 2012 |  |  |  |  |  |  |  |  |  |  |
Premium Income | $ | 1,112.0 |  |  | $ | 170.7 |  |  | $ | 296.3 |  |  | $ | 342.9 |  |  | $ | — |  |  | $ | 1,921.9 |
Net Investment Income | 238.6 |  |  | 36.5 |  |  | 35.6 |  |  | 301.6 |  |  | 7.2 |  |  | 619.5 |
Other Income | 31.1 |  |  | 0.1 |  |  | 0.1 |  |  | 25.9 |  |  | 0.3 |  |  | 57.5 |
Operating Revenue | $ | 1,381.7 |  |  | $ | 207.3 |  |  | $ | 332.0 |  |  | $ | 670.4 |  |  | $ | 7.5 |  |  | $ | 2,598.9 |
Operating Income (Loss) | $ | 205.9 |  |  | $ | 38.8 |  |  | $ | 69.7 |  |  | $ | 15.4 |  |  | $ | (20.6 | ) |  | $ | 309.2 |
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:
| Three Months Ended March 31
| 2013 |  | 2012
| (in millions of dollars)
Operating Revenue by Segment | $ | 2,614.5 |  |  | $ | 2,598.9 |
Net Realized Investment Gain | 10.3 |  |  | 12.4 |
Total Revenue | $ | 2,624.8 |  |  | $ | 2,611.3 |
Operating Income by Segment | $ | 308.4 |  |  | $ | 309.2 |
Net Realized Investment Gain | 10.3 |  |  | 12.4 |
Non-operating Retirement-related Loss | (14.9 | ) |  | (11.6 | )
Income Tax | (91.2 | ) |  | (96.1 | )
Net Income | $ | 212.6 |  |  | $ | 213.9 |
Assets by Segment | Assets by segment are as follows:
| March 31 |  | December 31
| 2013 |  | 2012
| (in millions of dollars)
Unum US | $ | 19,097.5 |  |  | $ | 19,391.2 |
Unum UK | 3,664.8 |  |  | 3,975.8 |
Colonial Life | 3,438.8 |  |  | 3,434.9 |
Closed Block | 32,885.5 |  |  | 33,069.2 |
Corporate | 2,524.8 |  |  | 2,365.0 |
Total | $ | 61,611.4 |  |  | $ | 62,236.1 |

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -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 entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 37 -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 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27, 28 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 + Details
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