CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	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			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	26,066			26,066
Other comprehensive income, net of tax	(849)				(849)
Dividends	(6,701)			(6,701)
Restricted shares forfeited	(80)	$ (80)
Treasury stock purchases (in shares)						56
Treasury stock purchases	(1,358)					$ (1,358)
Restricted shares forfeited (in shares)		(21)
Share-based compensation expense (in shares)		14
Share-based compensation expense	1,901	$ 1,901
Balance (in shares) at Jan. 27, 2024		11,556	4,204			968
Balance at Jan. 27, 2024	429,145	$ 78,000	$ 683	362,862	7,285	$ (19,685)
Balance (in shares) at Oct. 28, 2023		11,568	4,204			944
Balance at Oct. 28, 2023	419,245	$ 77,103	$ 683	351,732	8,836	$ (19,109)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,480			14,480
Other comprehensive income, net of tax	(1,551)				(1,551)
Dividends	(3,350)			(3,350)	0
Restricted shares forfeited	(52)	$ (52)
Treasury stock purchases (in shares)						24
Treasury stock purchases	(576)					$ (576)
Restricted shares forfeited (in shares)		0
Share-based compensation expense	949	$ 949
Balance (in shares) at Jan. 27, 2024		11,556	4,204			968
Balance at Jan. 27, 2024	429,145	$ 78,000	$ 683	362,862	7,285	$ (19,685)
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	29,697			29,697
Other comprehensive income, net of tax	(245)				(245)
Dividends	(6,652)			(6,652)
Stock Issued During Period, Shares, Employee Stock Purchase Plans						(1)
Exercise of stock options	21	5				$ 16
Restricted shares forfeited	(194)	$ (194)
Restricted shares forfeited (in shares)		(18)
Share-based compensation expense (in shares)		0
Share-based compensation expense	1,782	$ 1,782
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 Jan. 25, 2025		11,620	4,125			998
Balance at Jan. 25, 2025	471,968	$ 81,792	$ 670	403,663	6,334	$ (20,491)
Balance (in shares) at Oct. 26, 2024		11,634	4,125			998
Balance at Oct. 26, 2024	457,462	$ 81,067	$ 670	390,097	6,119	$ (20,491)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,896			16,896
Other comprehensive income, net of tax	215				215
Dividends	(3,330)			(3,330)
Restricted shares forfeited	(150)	$ (150)
Restricted shares forfeited (in shares)		(14)
Share-based compensation expense (in shares)		0
Share-based compensation expense	875	$ 875
Balance (in shares) at Jan. 25, 2025		11,620	4,125			998
Balance at Jan. 25, 2025	$ 471,968	$ 81,792	$ 670	$ 403,663	$ 6,334	$ (20,491)