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v3.23.1

Income Taxes and Other Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Aug. 31, 2021 | Feb. 28, 2023 | Feb. 28, 2022
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Effective income tax rate (percentage) | 26.30% | 23.70% |  | 36.30% | 19.70%
Proceeds from income tax refunds | $ 9.8 |  |  |  |
Sales Tax |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Tax adjustments, settlements, and unusual provisions | 1.8 |  |  |  |
Tax Years 2015 to 2020 |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Income taxes receivable | 11.9 |  |  | $ 11.9 |
Employee Retention Credits |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Income taxes receivable | $ 9.3 |  |  | $ 9.3 |
Carry Back of Net Operating Losses |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Proceeds from income tax refunds |  |  | $ 63.1 |  |

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