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v3.24.2

Selected Operating Statement Data by Segment (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information |  |  |  |
Premium Income | $ 2,627.2 | $ 2,509.1 | $ 5,237.5 | $ 4,968.4
Net Investment Income | 545.1 | 531.1 | 1,058.6 | 1,039.9
Other Income | 71.5 | 71.1 | 149.2 | 139.0
Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 2,627.2 | 2,509.1 | 5,237.5 | 4,968.4
Net Investment Income | 545.1 | 531.1 | 1,058.6 | 1,039.9
Other Income | 71.5 | 71.1 | 149.2 | 139.0
Adjusted Operating Revenue | 3,243.8 | 3,111.3 | 6,445.3 | 6,147.3
Adjusted Operating Income (Loss) | 523.2 | 518.4 | 1,037.7 | 987.9
Operating Segments | Unum US |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 1,730.9 | 1,641.4 | 3,438.3 | 3,251.0
Net Investment Income | 158.1 | 158.0 | 315.1 | 315.3
Other Income | 58.2 | 54.5 | 118.8 | 108.1
Adjusted Operating Revenue | 1,947.2 | 1,853.9 | 3,872.2 | 3,674.4
Adjusted Operating Income (Loss) | 357.5 | 343.1 | 742.7 | 655.6
Operating Segments | Unum International |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 228.8 | 207.9 | 460.5 | 396.5
Net Investment Income | 38.0 | 45.8 | 64.1 | 76.7
Other Income | 0.5 | 0.1 | 0.8 | 0.5
Adjusted Operating Revenue | 267.3 | 253.8 | 525.4 | 473.7
Adjusted Operating Income (Loss) | 42.5 | 43.5 | 79.9 | 81.9
Operating Segments | Colonial Life |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 446.2 | 430.6 | 893.1 | 860.1
Net Investment Income | 40.5 | 38.0 | 79.8 | 75.3
Other Income | 0.2 | 0.4 | 3.2 | 0.6
Adjusted Operating Revenue | 486.9 | 469.0 | 976.1 | 936.0
Adjusted Operating Income (Loss) | 116.9 | 115.5 | 230.6 | 209.4
Operating Segments | Closed Block |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 221.3 | 229.2 | 445.6 | 460.8
Net Investment Income | 294.2 | 263.9 | 567.3 | 521.1
Other Income | 12.2 | 13.8 | 25.3 | 27.3
Adjusted Operating Revenue | 527.7 | 506.9 | 1,038.2 | 1,009.2
Adjusted Operating Income (Loss) | 51.6 | 51.2 | 75.9 | 109.4
Operating Segments | Corporate |  |  |  |
Segment Reporting Information |  |  |  |
Premium Income | 0.0 | 0.0 | 0.0 | 0.0
Net Investment Income | 14.3 | 25.4 | 32.3 | 51.5
Other Income | 0.4 | 2.3 | 1.1 | 2.5
Adjusted Operating Revenue | 14.7 | 27.7 | 33.4 | 54.0
Adjusted Operating Income (Loss) | $ (45.3) | $ (34.9) | $ (91.4) | $ (68.4)

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