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DEBT - Letters of Credit and Performance and Bid Bonds (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | $ 30.7 | $ 30.1
Cash collateral | 2.6 | 2.6
Various Uncommitted Facilities |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | 26.3 | 25.8
2020 Credit Facility | Letter of Credit |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | $ 4.4 | $ 4.3

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