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INCOME TAXES - (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income taxes |  |  |  |
Undistributed earnings in subsidiaries |  | $ 116.6 |  |
Operating loss carryforwards |  | $ 16.7 |  |
Operating loss carryforwards expiration period |  | 20 years |  |
Unrecognized tax positions that would affect the annual effective tax rate |  | $ 196.6 | $ 177.1 | $ 162.1
Lapse of statute of limitations and potential audit settlements |  | 1.7 | 1.0 | 6.2
Estimated interest costs and penalties |  | 14.3 | 39.1 | 9.7
Accrued interest and penalties |  | 88.5 | $ 74.4 | $ 35.8
Capital Loss Carryforwards |  |  |  |
Income taxes |  |  |  |
Capital loss forwards which, if unused, will expire in 2024 |  | $ 5.0 |  |
Forecast |  |  |  |
Income taxes |  |  |  |
Lapse of statute of limitations and potential audit settlements | $ 49.9 |  |  |

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