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. 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,803				12,803
Other comprehensive income, net of tax	(460)					(460)
Dividends	(3,324)				(3,324)
Exercise of stock options	22		6				$ 16
Restricted shares forfeited	(44)		$ (44)
Restricted shares forfeited (in shares)			(4)
Share-based compensation expense (in shares)							(1)
Share-based compensation expense	906		$ 906
Conversion of Class B shares to Class A shares (in shares)			79	(79)
Conversion of Class B shares to Class A shares	0		$ 13	$ (13)
Balance (in shares) at Oct. 26, 2024			11,634	4,125
Balance (in shares) at Oct. 26, 2024							998
Balance at Oct. 26, 2024	457,462		$ 81,067	$ 670	390,097	6,119	$ (20,491)
Balance (in shares) at Jul. 26, 2025			11,627	4,125
Balance at Jul. 26, 2025	491,964		$ 83,616	$ 670	423,690	4,453	$ (20,465)
Balance (in shares) at Jul. 26, 2025							997
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,002				12,002
Other comprehensive income, net of tax	(462)					(462)
Dividends	(3,326)				(3,326)
Restricted shares forfeited	(18)		$ (18)
Restricted shares forfeited (in shares)			(1)
Share-based compensation expense (in shares)			0
Share-based compensation expense	931		$ 931
Balance (in shares) at Oct. 25, 2025			11,626	4,125
Balance (in shares) at Oct. 25, 2025		997					997
Balance at Oct. 25, 2025	$ 501,091		$ 84,529	$ 670	$ 432,366	$ 3,991	$ (20,465)