Income Taxes (Details) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Feb. 28, 2022 |
Feb. 28, 2021 |
Feb. 28, 2022 |
Feb. 28, 2021 |
|
| Income Tax Disclosure [Abstract] | ||||
| U.S. federal statutory income tax rate | 21.00% | 21.00% | 21.00% | 21.00% |
| Effective income tax rate | 21.70% | 26.90% | 22.80% | 28.50% |