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. 30, 2022		10,971	4,294			752
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	34,422			34,422
Other comprehensive income, net of tax	829				829
Dividends	(9,845)			(9,845)
Restricted shares forfeited	(114)	$ (114)
Treasury stock purchases (in shares)						162
Treasury stock purchases	(3,739)					$ (3,739)
Restricted shares forfeited (in shares)		1
Share-based compensation expense (in shares)		508
Share-based compensation expense	2,088	$ 2,088
Balance (in shares) at Apr. 29, 2023		11,478	4,294			914
Balance at Apr. 29, 2023	395,750	$ 74,865	$ 697	331,551	6,964	$ (18,327)
Balance (in shares) at Jan. 28, 2023		10,970	4,294			752
Balance at Jan. 28, 2023	391,585	$ 74,099	$ 697	323,872	7,505	$ (14,588)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,017			11,017
Other comprehensive income, net of tax	(541)				(541)
Dividends	(3,338)			(3,338)	0
Restricted shares forfeited	(73)
Treasury stock purchases (in shares)						162
Treasury stock purchases	(3,739)					$ (3,739)
Restricted shares forfeited (in shares)		508
Share-based compensation expense	839	$ 839
Balance (in shares) at Apr. 29, 2023		11,478	4,294			914
Balance at Apr. 29, 2023	395,750	$ 74,865	$ 697	331,551	6,964	$ (18,327)
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	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			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			968
Balance at Jan. 27, 2024	429,145	$ 78,000	$ 683	362,862	7,285	$ (19,685)
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)
Treasury stock purchases (in shares)						9
Treasury stock purchases	(219)					$ (219)
Share-based compensation expense (in shares)		6
Share-based compensation expense	955	$ 955
Balance (in shares) at Apr. 27, 2024		11,562	4,204			977
Balance at Apr. 27, 2024	$ 436,207	$ 78,955	$ 683	$ 368,525	$ 7,948	$ (19,904)