Net Income (Loss) Per Share and Weighted Average Shares (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	May 02, 2025	Jan. 31, 2025	Nov. 01, 2024	Apr. 26, 2024	Jan. 26, 2024	Oct. 27, 2023	May 02, 2025	Apr. 26, 2024
Net Income (Loss) Per Share and Weighted Average Shares
Net Income (Loss)	$ 12,574	$ 22,207	$ 4,844	$ (9,199)	$ 26,534	$ 5,456	$ 39,625	$ 22,791
Net income (loss) per share denominator:
Basic weighted average shares (in shares)	22,264,782			22,201,964			22,246,936	22,188,191
Add potential dilution:
Nonvested stock awards and units and stock options (in shares)	194,499						188,381	119,455
Diluted weighted average shares (in shares)	22,459,281			22,201,964			22,435,317	22,307,646