v3.22.2.2
Dispositions - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Aug. 02, 2021
Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Future policy benefits and expenses $ 406.7 $ 413.2      
Reinsurance recoverables, including reinsurance premium paid 7,561.8 6,181.2      
Other Investments 504.4 506.3      
Claims and benefits payable $ 3,022.4 1,604.8 $ 1,905.0   $ 1,619.9
Global Preneed | Discontinued Operations, Disposed of by Sale          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Sale of discontinued operation, aggregated sale price       $ 1,340.0  
John Alden Life Insurance Company | Disposal Group, Held-for-sale, Not Discontinued Operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Future policy benefits and expenses   915.8      
Reinsurance recoverables, including reinsurance premium paid   881.6      
Other Investments   159.6      
Claims and benefits payable   $ 117.2