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SIGNIFICANT ACCOUNTING POLICIES - CAPITAL CONSTRUCTION FUND (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Accounts receivable, net | $ 371.4 | $ 343.7
Cash Deposits Into CCF | 10.7 |
Withdrawals from CCF | 10.7 |
Eligible Accounts Receivable Assigned to CCF |  |
Accounts receivable, net | 9.8 | $ 9.8
Cash Deposits Into CCF | 10.7 |
Withdrawals from CCF | $ 10.7 |

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