Stock Compensation Plan (Schedule of Share Based Compensation SARs Activity) (Details) - $ / shares shares in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2023 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 927 | 870 | 751 | 710 |
| Stock Appreciation Rights (SARs) [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 450 | 264 | ||
| Awards, granted (in shares) | 314 | |||
| Awards, vested (in shares) | (114) | |||
| Awards, forfeited (in shares) | (14) | |||
| Weighted-average grant-date fair value, outstanding beginning balance (in dollars per share) | $ 48.36 | |||
| Weighted-average grant-date fair value, granted (in dollars per share) | 32.21 | |||
| Weighted-average grant-date fair value, vested (in dollars per share) | 50.82 | |||
| Weighted-average grant-date fair value, forfeited (in dollars per share) | 38.09 | |||
| Weighted-average grant-date fair value, outstanding ending balance (in dollars per share) | $ 36.79 |