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COMMITMENTS AND CONTINGENCIES - Tax Matters - Loss contingencies (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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Non-income based tax audits |  |
Loss Contingencies |  |
Accrued liability for the outcomes of non-income based tax audits | $ 3.9 | $ 5.8
Non-income based tax audits in contested hearing phase |  |
Loss Contingencies |  |
Accrued liability for the outcomes of non-income based tax audits | $ 0.6 | $ 0.6

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