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DEFERRED ACQUISITION COSTS, PRESENT VALUE OF FUTURE PROFITS AND SALES INDUCEMENTS - SALES INDUCEMENTS (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Fixed indexed annuities |  |
Movement in Deferred Sales Inducements [Roll Forward] |  |
Beginning of period | $ 128.1 | $ 88.5
Capitalizations | 45.8 | 40.1
Amortization expense | (15.1) | (10.9)
End of period | 158.8 | 117.7
Fixed interest annuities |  |
Movement in Deferred Sales Inducements [Roll Forward] |  |
Beginning of period | 5.1 | 4.6
Capitalizations | 1.9 | 0.9
Amortization expense | (0.8) | (0.7)
End of period | 6.2 | 4.8
Annuity |  |
Movement in Deferred Sales Inducements [Roll Forward] |  |
Beginning of period | 133.2 | 93.1
Capitalizations | 47.7 | 41.0
Amortization expense | (15.9) | (11.6)
End of period | $ 165.0 | $ 122.5

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