Pension and Other Postretirement Benefits Assumptions (Details) |
9 Months Ended | |
|---|---|---|
Apr. 30, 2022 |
Apr. 30, 2021 |
|
| Pension Plan | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans | ||
| Discount rate for net periodic benefit cost | 2.57% | 2.14% |
| Rate of increase in compensation levels | 0.00% | 0.00% |
| Long-term expected rate of return on assets | 6.50% | 6.50% |
| Postretirement Health Plan | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans | ||
| Discount rate for net periodic benefit cost | 2.10% | 1.63% |
| Rate of increase in compensation levels | 0.00% | 0.00% |
| Long-term expected rate of return on assets | 0.00% | 0.00% |