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Stock-Based Compensation (Unvested Stock Award) (Details) - Unvested Stock Awards [Member]
9 Months Ended
May 31, 2023
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested stock awards, Number of Shares | shares 13,260
Granted, Number of Shares | shares 15,882
Forfeited, Number of Shares | shares
Vested, Number of Shares | shares (13,260)
Unvested stock awards, Number of Shares | shares 15,882
Restricted stock awards, Weighted-Average Grant Date Fair Value Per Share | $ / shares $ 49.78
Granted, Weighted-Average Grant Date Fair Value Per Share | $ / shares 45.34
Forfeited, Weighted-Average Grant Date Fair Value Per Share | $ / shares
Vested, Weighted-Average Grant Date Fair Value Per Share | $ / shares 49.78
Restricted stock awards, Weighted-Average Grant Date Fair Value Per Share | $ / shares $ 45.34