v3.25.4
Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Finite-Lived Intangible Assets [Line Items]  
Definite-life intangible assets, amortization expense, year one $ 36.3
Definite-life intangible assets, amortization expense, year two 32.5
Definite-life intangible assets, amortization expense, year three 29.8
Definite-life intangible assets, amortization expense, year four 25.2
Definite-life intangible assets, amortization expense, year five 19.5
Agent Relationships  
Finite-Lived Intangible Assets [Line Items]  
Definite-life intangible assets, amortization expense, year one 4.9
Definite-life intangible assets, amortization expense, year two 4.9
Definite-life intangible assets, amortization expense, year three 4.9
Definite-life intangible assets, amortization expense, year four 4.9
Definite-life intangible assets, amortization expense, year five 4.1
Customer Relationships  
Finite-Lived Intangible Assets [Line Items]  
Definite-life intangible assets, amortization expense, year one 0.5
Definite-life intangible assets, amortization expense, year two 0.3
Definite-life intangible assets, amortization expense, year three 0.1
Definite-life intangible assets, amortization expense, year four 0.1
Definite-life intangible assets, amortization expense, year five 0.0
Internal Use Software  
Finite-Lived Intangible Assets [Line Items]  
Definite-life intangible assets, amortization expense, year one 29.4
Definite-life intangible assets, amortization expense, year two 25.8
Definite-life intangible assets, amortization expense, year three 23.4
Definite-life intangible assets, amortization expense, year four 18.9
Definite-life intangible assets, amortization expense, year five 14.3
Life Insurance  
Finite-Lived Intangible Assets [Line Items]  
VOBA, amortization expense, year one 1.5
VOBA, amortization expense, year two 1.5
VOBA, amortization expense, year three 1.4
VOBA, amortization expense, year four 1.3
VOBA, amortization expense, year five $ 1.1