Net Income Per Share and Weighted Average Shares (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jan. 27, 2023	Oct. 28, 2022	Jan. 28, 2022	Oct. 29, 2021	Jan. 27, 2023	Jan. 28, 2022
Reconciliation of Components of Diluted Earnings per Share Computations [Abstract]
Net income per share numerator	$ 30,491	$ 17,129	$ 37,624	$ 33,376	$ 47,620	$ 71,000
Net income per share denominator [Abstract]
Weighted average shares (in shares)	22,173,280		23,393,398		22,183,527	23,450,379
Add potential dilution [Abstract]
Nonvested stock awards and units (in shares)	78,555		69,173		88,717	77,848
Diluted weighted average shares (in shares)	22,251,835		23,462,571		22,272,244	23,528,227
Convertible Senior Notes [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Conversion price (in dollars per share)	$ 176.18				$ 176.18
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Adjusted strike price (in dollars per share)	$ 243.61				$ 243.61