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

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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.

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

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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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