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FAIR VALUE MEASUREMENTS - Schedule of Fair Value Measurement on Recurring Basis (Details) - Recurring - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024
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Level 1 Fair Value |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | $ 39.4 | $ 31.1 | $ 31.5
Level 1 Fair Value | Mutual funds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | 39.4 | 31.1 | 31.5
Level 2 Fair Value |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | 1.9 | 0.3 | 0.8
Level 2 Fair Value | Money market mutual fund |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | $ 1.9 | $ 0.3 | $ 0.8

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