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Income Taxes and Other Taxes (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Aug. 31, 2021 | Aug. 31, 2020
Operating Loss Carryforwards [Line Items] |  |
Current liability | $ 2.8 |
Long term liability | $ 4.8 |
Effective income tax rate (percentage) | 26.70% | 23.20%
Employee Retention Credits |  |
Operating Loss Carryforwards [Line Items] |  |
Income Taxes Receivable | $ 11.9 |
Carry Back of Net Operating Losses |  |
Operating Loss Carryforwards [Line Items] |  |
Proceeds from Income Tax Refunds | $ 63.1 |

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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(10)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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