Share-Based Compensation, Compensation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jul. 29, 2022 |
Jul. 30, 2021 |
Jul. 31, 2020 |
|
| Compensation Expense [Abstract] | |||
| Total compensation expense | $ 8,198 | $ 8,729 | $ 6,386 |
| Total unrecognized compensation expense and weighted-average periods over which the expense is expected to be recognized [Abstract] | |||
| Number of shares issued from vesting of share-based compensation awards (in shares) | 32,461 | ||
| Tax withholding payment net of cash received from issuance of share based compensation awards | $ (2,599) | $ (2,282) | $ (2,160) |
| Nonvested Stock Awards [Member] | |||
| Total unrecognized compensation expense and weighted-average periods over which the expense is expected to be recognized [Abstract] | |||
| Total unrecognized compensation | $ 6,859 | ||
| Weighted average period in years | 1 year 9 months 3 days | ||