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SUBSEQUENT EVENTS (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 01, 2021 | Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019 | Feb. 01, 2019
Subsequent Event [Line Items] |  |  |  |  |
Proceeds from Lines of Credit |  | $ 225,676,000 | $ 379,222,000 | $ 100,000,000 |
Asset Based Credit Facility |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Maximum borrowing capacity |  | $ 750,000,000 |  |  | $ 750,000,000
Subsequent Event | Asset Based Credit Facility |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Proceeds from Lines of Credit | $ 625,000,000 |  |  |  |
Maximum borrowing capacity | 1,000,000,000 |  |  |  |
AirX Intermediate Inc. | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase price | $ 750,000,000 |  |  |  |

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