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REVENUES FROM CONTRACTS WITH CUSTOMERS - Accounting for the Loss Subcontract (Details) - TeesREPProject - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2020 | Oct. 31, 2021 | Oct. 31, 2020 | Jan. 31, 2021 | Mar. 24, 2020
REVENUES FROM CONTRACTS WITH CUSTOMERS |  |  |  |  |
Percentage of completion of subcontracted work |  |  |  |  | 90.00%
Reduction to the subcontract loss | $ 2.8 |  | $ 4.1 |  |
Subcontract loss |  |  | $ 29.5 |  |
The total amounts of accounts receivable and contract assets with the customer |  | $ 0.1 |  | $ 4.7 |

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- Definition The amount of gain (loss) from subcontract. + References No definition available. + Details
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