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Description of Business and Basis of Presentation (Details) - segment | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 28, 2022 | Feb. 28, 2021 | Feb. 28, 2022 | Feb. 28, 2021 | Nov. 30, 2021
Concentration Risk [Line Items] |  |  |  |  |
Number of reportable segments |  |  | 2 |  | 2
Revenue | Customer concentration | ABL |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration (percent) | 95.00% | 95.00% | 95.00% | 95.00% |
Revenue | Customer concentration | ISG |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration (percent) | 5.00% | 5.00% | 5.00% | 5.00% |

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