v3.25.1
Selected Operating Statement Data by Segment (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information    
Premium Income $ 2,702.9 $ 2,610.3
Net Investment Income 513.2 513.5
Other Income 82.3 77.7
Commissions 343.2 313.6
Interest and Debt Expense 52.0 49.5
Deferral of Acquisition Costs (172.6) (166.9)
Amortization of Deferred Acquisition Costs 125.4 126.2
Unum US    
Segment Reporting Information    
Amortization of Deferred Acquisition Costs 65.2 69.8
Unum International    
Segment Reporting Information    
Amortization of Deferred Acquisition Costs 2.5 2.4
Colonial Life    
Segment Reporting Information    
Amortization of Deferred Acquisition Costs 57.7 54.0
Operating Segments    
Segment Reporting Information    
Premium Income 2,702.9 2,610.3
Net Investment Income 513.2 513.5
Other Income 82.3 77.7
Adjusted Operating Revenue 3,298.4 3,201.5
Adjusted Policy Benefits [1] 1,953.5 1,885.8
Adjusted Policy Benefits - Remeasurement Loss (Gain) (89.3) (107.7)
Commissions 343.2 313.6
Adjusted Operating Income (Loss) 466.8 514.5
Interest and Debt Expense 52.0 49.5
Deferral of Acquisition Costs (172.6) (166.9)
Other Segment Items 619.4 [2] 586.5 [3]
Amortization of Deferred Acquisition Costs 125.4 126.2
Adjusted Benefits and Expenses 2,831.6 2,687.0
Operating Segments | Unum US    
Segment Reporting Information    
Premium Income 1,780.9 1,707.4
Net Investment Income 148.9 157.0
Other Income 71.9 60.6
Adjusted Operating Revenue 2,001.7 1,925.0
Adjusted Policy Benefits [1] 1,138.6 1,081.7
Adjusted Policy Benefits - Remeasurement Loss (Gain) (75.4) (112.4)
Commissions 205.6 182.2
Adjusted Operating Income (Loss) 329.1 385.2
Interest and Debt Expense 0.0  
Deferral of Acquisition Costs (84.7) (83.3)
Other Segment Items 423.3 [2] 401.8 [3]
Amortization of Deferred Acquisition Costs 65.2 69.8
Depreciation and Amortization 21.3 21.3
Adjusted Benefits and Expenses 1,672.6 1,539.8
Operating Segments | Unum International    
Segment Reporting Information    
Premium Income 246.7 231.7
Net Investment Income 28.5 26.1
Other Income 0.1 0.3
Adjusted Operating Revenue 275.3 258.1
Adjusted Policy Benefits [1] 172.9 163.9
Adjusted Policy Benefits - Remeasurement Loss (Gain) (8.8) (8.0)
Commissions 22.4 19.6
Adjusted Operating Income (Loss) 38.7 37.4
Interest and Debt Expense 0.0 0.0
Deferral of Acquisition Costs (5.3) (4.3)
Other Segment Items 52.9 [2] 47.1 [3]
Amortization of Deferred Acquisition Costs 2.5 2.4
Depreciation and Amortization 4.7 4.3
Adjusted Benefits and Expenses 236.6 220.7
Operating Segments | Colonial Life    
Segment Reporting Information    
Premium Income 457.3 446.9
Net Investment Income 42.2 39.3
Other Income 0.4 3.0
Adjusted Operating Revenue 499.9 489.2
Adjusted Policy Benefits [1] 226.6 226.7
Adjusted Policy Benefits - Remeasurement Loss (Gain) (8.5) (9.6)
Commissions 97.3 95.2
Adjusted Operating Income (Loss) 115.7 113.7
Interest and Debt Expense 0.0 0.0
Deferral of Acquisition Costs (82.6) (79.3)
Other Segment Items 93.7 [2] 88.5 [3]
Amortization of Deferred Acquisition Costs 57.7 54.0
Depreciation and Amortization 4.2 3.8
Adjusted Benefits and Expenses 384.2 375.5
Operating Segments | Closed Block    
Segment Reporting Information    
Premium Income 218.0 224.3
Net Investment Income 269.7 273.1
Other Income 9.9 13.1
Adjusted Operating Revenue 497.6 510.5
Adjusted Policy Benefits [1] 415.4 413.5
Adjusted Policy Benefits - Remeasurement Loss (Gain) 3.4 22.3
Commissions 17.9 16.6
Adjusted Operating Income (Loss) 24.4 24.3
Interest and Debt Expense 0.0 0.0
Deferral of Acquisition Costs 0.0 0.0
Other Segment Items 36.5 [2] 33.8 [3]
Amortization of Deferred Acquisition Costs 0.0 0.0
Depreciation and Amortization 1.5 1.3
Adjusted Benefits and Expenses 473.2 486.2
Operating Segments | Corporate    
Segment Reporting Information    
Premium Income 0.0 0.0
Net Investment Income 23.9 18.0
Other Income 0.0 0.7
Adjusted Operating Revenue 23.9 18.7
Adjusted Policy Benefits [1] 0.0 0.0
Adjusted Policy Benefits - Remeasurement Loss (Gain) 0.0 0.0
Commissions 0.0 0.0
Adjusted Operating Income (Loss) (41.1) (46.1)
Interest and Debt Expense 52.0 49.5
Deferral of Acquisition Costs 0.0 0.0
Other Segment Items 13.0 [2] 15.3 [3]
Amortization of Deferred Acquisition Costs 0.0 0.0
Depreciation and Amortization 0.1 0.1
Adjusted Benefits and Expenses $ 65.0 $ 64.8
[1]
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
[2]
2Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during the three months ended March 31, 2025 was $21.3 million, $4.7 million, $4.2 million, $1.5 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
[3]
2Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during the three months ended March 31, 2024 was $21.3 million, $4.3 million, $3.8 million, $1.3 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.