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ACCRUED LIABILITIES - Changes in Reserve for Recoupment (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Refunds Payable And Reserve [Roll Forward] |  |
Beginning balance | $ 20.1 | $ 19.3
Recoupments paid | (11.3) | (13.8)
Additions to the reserve | 11.1 | 14.6
Ending balance | $ 19.9 | $ 20.1

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- Definition Refunds Payable And Reserve + References No definition available. + Details
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