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Stock-based Compensation (Tables) | 12 Months Ended
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Aug. 31, 2022
Stock-based Compensation [Abstract] |
Schedule Of Stock-based Compensation Expense |
| Fiscal Year Ended August 31,
| 2022 |  | 2021 |  | 2020
RSU compensation expense | $ | 4,153 |  | $ | 3,656 |  | $ | 3,325
MSU compensation expense |  | 2,544 |  |  | 2,294 |  |  | 2,033
PSU compensation expense (1) |  | - |  |  | 3,605 |  |  | -
Total | $ | 6,697 |  | $ | 9,555 |  | $ | 5,358
(1)PSU awards, similar to DPU awards that were replaced by PSUs in fiscal year 2021, contain performance conditions for which accrual of expense is based on the probable outcome of the performance conditions. Vesting of DPUs related to the measurement year of 2020 was deemed not probable at the end of the fiscal year. DPUs were then discontinued by the Company beginning in fiscal year 2021. PSUs pertaining to the measurement year of fiscal year 2021 vested at 100% since the performance conditions were fully achieved. PSUs pertaining to the measurement year of fiscal year 2022 was deemed not probable at the end of the fiscal year.
Schedule Of Restricted Stock Units Activity |
|  |  | Weighted-Average |  |
|  |  | Grant Date |  |
| Number of |  | Fair Value |  | Aggregate
Restricted Stock Units | Shares |  | Per Share |  | Intrinsic Value
Outstanding at August 31, 2021 |  | 69,001 |  | $ | $131.88 |  |  |
Granted |  | 23,461 |  | $ | $217.03 |  |  |
Converted to common shares |  | (13,751) |  | $ | $182.72 |  |  |
Forfeited |  | (107) |  | $ | $224.41 |  |  |
Outstanding at August 31, 2022 |  | 78,604 |  | $ | $148.28 |  | $ | 14,869
Vested at August 31, 2022 |  | 49,620 |  | $ | $116.22 |  | $ | 9,386
Schedule Of Valuation Assumptions |
| Fiscal Year Ended August 31,
| 2022 |  | 2021 |  | 2020
Expected volatility |  | 32.7% |  |  | 28.5% |  |  | 21.4%
Risk-free interest rate |  | 0.6% |  |  | 0.2% |  |  | 1.4%
Expected dividend yield |  | 0.0% |  |  | 0.0% |  |  | 0.0%
Schedule Of Market Share Units Activity |
|  |  | Weighted-Average |  |
|  |  | Grant Date |  |
| Number of |  | Fair Value |  | Aggregate
Market Share Units | Shares |  | Per Share |  | Intrinsic Value
Outstanding at August 31, 2021 |  | 36,594 |  | $ | 194.83 |  |  |
Granted |  | 13,195 |  | $ | 232.99 |  |  |
Performance factor adjustments |  | 8,890 |  | $ | 186.38 |  |  |
Converted to common shares |  | (20,050) |  | $ | 182.13 |  |  |
Forfeited |  | (1,428) |  | $ | 208.74 |  |  |
Outstanding at August 31, 2022 (1) |  | 37,201 |  | $ | 212.66 |  | $ | 7,037
(1)This figure represents the total number of shares underlying MSU grants assuming achievement of the target number of shares at 100%. As the ultimate number of shares that vest could be as high as 200% of the target, the Company may be required to issue additional shares to satisfy outstanding MSU award grants.
Schedule Of Performance Share Units |
|  |  |  | Weighted-Average |  |  |
|  |  | Grant Date |  |
| Number of |  | Fair Value |  | Aggregate
Performance Share Units | Shares |  | Per Share |  | Intrinsic Value
Outstanding at August 31, 2021 |  | 18,252 |  | $ | $197.51 |  |  |
Granted |  | 18,684 |  | $ | 227.24 |  |  |
Performance factor adjustments |  | - |  | $ | - |  |  |
Converted to common shares |  | (18,252) |  | $ | 197.51 |  |  |
Forfeited |  | (858) |  | $ | 227.24 |  |  |
Outstanding at August 31, 2022 (1) |  | 17,826 |  | $ | 227.24 |  | $ | 3,371,966
(1)PSUs pertaining to the measurement year of fiscal year 2022 were forfeited in October 2022 since performance conditions were not achieved. Performance is certified annually in October by the Company’s compensation committee subsequent to the Company’s fiscal year end and are forfeited, or vest, depending on performance achievement.

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