CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Class A	Common Stock Common Class A	Common Stock Common Class B	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, Common
Balance (in shares) at Jul. 29, 2023			11,563	4,204
Balance at Jul. 29, 2023	$ 410,166		$ 76,179	$ 683	$ 343,497	$ 8,134	$ (18,327)
Balance (in shares) at Jul. 29, 2023							912
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,030				35,030
Other comprehensive income, net of tax	(186)					(186)
Dividends	(10,002)				(10,002)
Restricted shares forfeited	(80)		$ (80)
Treasury stock purchases (in shares)							65
Treasury stock purchases	(1,577)						$ (1,577)
Restricted shares forfeited (in shares)			(21)
Share-based compensation expense (in shares)			20
Share-based compensation expense	2,856		$ 2,856
Balance (in shares) at Apr. 27, 2024			11,562	4,204
Balance (in shares) at Apr. 27, 2024							977
Balance at Apr. 27, 2024	436,207		$ 78,955	$ 683	368,525	7,948	$ (19,904)
Balance (in shares) at Jan. 27, 2024			11,556	4,204
Balance at Jan. 27, 2024	429,145		$ 78,000	$ 683	362,862	7,285	$ (19,685)
Balance (in shares) at Jan. 27, 2024							968
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	8,966				8,966
Other comprehensive income, net of tax	663					663
Dividends	(3,303)				(3,303)	0
Restricted shares forfeited	0		$ 0
Treasury stock purchases (in shares)							9
Treasury stock purchases	(219)						$ (219)
Restricted shares forfeited (in shares)			6
Share-based compensation expense	955		$ 955
Balance (in shares) at Apr. 27, 2024			11,562	4,204
Balance (in shares) at Apr. 27, 2024							977
Balance at Apr. 27, 2024	436,207		$ 78,955	$ 683	368,525	7,948	$ (19,904)
Balance (in shares) at Jul. 27, 2024			11,559	4,204
Balance at Jul. 27, 2024	447,559		$ 80,186	$ 683	380,618	6,579	$ (20,507)
Balance (in shares) at Jul. 27, 2024		999					999
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	40,858				40,858
Other comprehensive income, net of tax	(1,302)					(1,302)
Dividends	(9,979)				(9,979)
Stock Issued During Period, Shares, Employee Stock Purchase Plans							(2)
Exercise of stock options	53		11				$ 42
Restricted shares forfeited	(195)		$ (195)
Restricted shares forfeited (in shares)			(20)
Share-based compensation expense (in shares)			8
Share-based compensation expense	2,686		$ 2,686
Conversion of Class B shares to Class A shares (in shares)			79	(79)
Conversion of Class B shares to Class A shares			$ 13	$ (13)
Balance (in shares) at Apr. 26, 2025			11,628	4,125
Balance (in shares) at Apr. 26, 2025		997					997
Balance at Apr. 26, 2025	479,680		$ 82,701	$ 670	411,497	5,277	$ (20,465)
Balance (in shares) at Jan. 25, 2025			11,620	4,125
Balance at Jan. 25, 2025	471,968		$ 81,792	$ 670	403,663	6,334	$ (20,491)
Balance (in shares) at Jan. 25, 2025							998
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,161				11,161
Other comprehensive income, net of tax	(1,057)					(1,057)
Dividends	(3,327)				(3,327)
Restricted shares forfeited	(1)		$ (1)
Restricted shares forfeited (in shares)			(1)
Share-based compensation expense (in shares)			8
Share-based compensation expense	904		$ 904
Balance (in shares) at Apr. 26, 2025			11,628	4,125
Balance (in shares) at Apr. 26, 2025		997					997
Balance at Apr. 26, 2025	$ 479,680		$ 82,701	$ 670	$ 411,497	$ 5,277	$ (20,465)