CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Equity Option	Common Stock Class A Common Stock	Common Stock Class A Common Stock Equity Option	Common Stock Class B Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, Common	Treasury Stock, Common Equity Option
Balance (in shares) at Jul. 30, 2022			10,971		4,294			750
Balance at Jul. 30, 2022	$ 372,109		$ 72,891		$ 697	$ 306,974	$ 6,135	$ (14,588)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	49,716					49,716
Other comprehensive income, net of tax	1,999						1,999
Dividends	(13,193)					(13,193)
Treasury stock purchases (in shares)								162
Treasury stock purchases	(3,739)							$ (3,739)
Restricted shares forfeited (in shares)			(10)
Restricted shares forfeited	(47)		$ (47)
Share-based compensation expense (in shares)			512
Share-based compensation expense	3,321		$ 3,321
Conversion of Class B shares to Class A shares			$ 14		$ (14)
Conversion of Class B shares to Class A (in shares)			90		(90)
Balance (in shares) at Jul. 29, 2023			11,563		4,204			912
Balance at Jul. 29, 2023	410,166		$ 76,179		$ 683	343,497	8,134	$ (18,327)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	50,462					50,462
Other comprehensive income, net of tax	(1,555)						(1,555)
Dividends	(13,341)					(13,341)
Stock Issued During Period, Value, Stock Options Exercised		$ 45							$ 31
Treasury stock purchases (in shares)								89	(2)
Treasury stock purchases	(2,211)							$ (2,211)
Restricted shares forfeited (in shares)			(28)
Restricted shares forfeited	(141)		$ (141)
Share-based compensation expense (in shares)			24
Share-based compensation expense	4,134		$ 4,134	$ 14
Balance (in shares) at Jul. 27, 2024			11,559		4,204			999
Balance at Jul. 27, 2024	$ 447,559		$ 80,186		$ 683	$ 380,618	$ 6,579	$ (20,507)