Net Income (Loss) Per Share and Weighted Average Shares (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Apr. 26, 2024	Jan. 26, 2024	Oct. 27, 2023	Apr. 28, 2023	Jan. 27, 2023	Oct. 28, 2022	Apr. 26, 2024	Apr. 28, 2023
Reconciliation of Components of Diluted Earnings per Share Computations [Abstract]
Net income (loss) per share numerator	$ (9,199)	$ 26,534	$ 5,456	$ 13,968	$ 30,491	$ 17,129	$ 22,791	$ 61,588
Net income (loss) per share denominator [Abstract]
Basic weighted average shares (in shares)	22,201,964			22,152,002			22,188,191	22,173,019
Add potential dilution [Abstract]
Nonvested stock awards and units (in shares)	0			102,509			119,455	93,314
Diluted weighted average shares (in shares)	22,201,964			22,254,511			22,307,646	22,266,333
Convertible Senior Notes [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Conversion price (in dollars per share)	$ 160.35						$ 160.35
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Adjusted strike price (in dollars per share)	$ 229.24						$ 229.24