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Percentage Of Target Award Threshold

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Shares Paid for Tax Withholding for Share Based Compensation, Value

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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Net number of non-option equity instruments granted to participants.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares issued under share-based payment arrangement.

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Value, before forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Stock-Based Compensation (Narrative) (Details) - USD ($)		3 Months Ended					9 Months Ended
	Jan. 14, 2022	May 31, 2022	Feb. 28, 2022	Nov. 30, 2021	Feb. 28, 2021	Nov. 30, 2020	May 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued from treasury stock							257,406
Shares withheld for tax							86,125
Shares withheld for tax, fair value							$ 3,535,000
Vesting period of awards							1 year
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price of common stock as a percent of the average fair market value							85.00%
Shares issued to employee stock purchase plan participants		8,616					26,662
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost of common stock issued from treasury
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Whole-share grant per eligible director							$ 110,000
Time-Based Award [Member] \| Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted							25.00%
Shares may be awarded							24,649
Performance-Based Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under terms of the award							73,929
Performance-Based Award [Member] \| Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance-based objectives		100.00%					100.00%
Performance-Based Award [Member] \| Common Stock [Member] \| 2022 Omnibus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized additional shares of common stock for issuance	1,000,000
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares may be awarded							147,840
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Minimum [Member] \| Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted							50.00%
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Maximum [Member] \| Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted							200.00%