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STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) (Tables)
12 Months Ended
Dec. 31, 2022
Insurance [Abstract]  
Schedule of Statutory Accounting Practices The Company's insurance subsidiaries reported the following amounts to regulatory agencies, after appropriate elimination of intercompany accounts among such subsidiaries (dollars in millions):
20222021
Statutory capital and surplus$1,849.8 $1,799.6 
Asset valuation reserve305.8 332.5 
Interest maintenance reserve395.7 407.9 
Total$2,551.3 $2,540.0