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

Deferred Tax Lability, Current, Social Security Payments

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- Definition

Deferred Tax Lability, Noncurrent, Social Security Payments

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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-Publisher FASB
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