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Segment Information | 3 Months Ended
--- | ---
Mar. 31, 2013
Segment Reporting [Abstract] |
Segment Information | Our reporting segments are comprised of Unum US, Unum UK, Colonial Life, Closed Block, and Corporate. 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 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 |
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 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 The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -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 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 13: 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 14: 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 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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