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
Balance (in shares) at Jul. 25, 2020		10,985	4,294			726
Balance at Jul. 25, 2020	$ 332,320	$ 68,072	$ 697	$ 286,241	$ (8,751)	$ (13,939)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,916			7,916
Other comprehensive income, net of tax	1,297				1,297
Dividends	(6,523)			(6,523)
Restricted shares forfeited (in shares)		(8)
Restricted shares forfeited	(24)	$ (24)
Share-based compensation expense (in shares)		8
Share-based compensation expense	1,276	$ 1,276
Balance (in shares) at Jan. 23, 2021		10,985	4,294			726
Balance at Jan. 23, 2021	336,262	$ 69,324	$ 697	287,634	(7,454)	$ (13,939)
Balance (in shares) at Oct. 24, 2020		10,988	4,294			726
Balance at Oct. 24, 2020	333,741	$ 68,695	$ 697	286,344	(8,056)	$ (13,939)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,555			4,555
Other comprehensive income, net of tax	602				602
Dividends	(3,265)			(3,265)
Restricted shares forfeited (in shares)		(3)
Restricted shares forfeited	(12)	$ (12)
Share-based compensation expense (in shares)		0
Share-based compensation expense	641	$ 641
Balance (in shares) at Jan. 23, 2021		10,985	4,294			726
Balance at Jan. 23, 2021	336,262	$ 69,324	$ 697	287,634	(7,454)	$ (13,939)
Balance (in shares) at Jul. 31, 2021		10,978	4,294			726
Balance at Jul. 31, 2021	341,473	$ 70,594	$ 697	293,185	(9,064)	$ (13,939)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	17,457			17,457
Other comprehensive income, net of tax	1,726				1,726
Dividends	(6,525)			(6,525)
Treasury stock purchases (in shares)						4
Treasury stock purchases	(89)					$ (89)
Restricted shares forfeited (in shares)		(6)
Restricted shares forfeited	(56)	$ (56)
Share-based compensation expense (in shares)		9
Share-based compensation expense	1,270	$ 1,270
Balance (in shares) at Jan. 29, 2022		10,981	4,294			730
Balance at Jan. 29, 2022	355,256	$ 71,808	$ 697	304,117	(7,338)	$ (14,028)
Balance (in shares) at Oct. 30, 2021		10,987	4,294			730
Balance at Oct. 30, 2021	346,971	$ 71,238	$ 697	297,249	(8,185)	$ (14,028)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	10,129			10,129
Other comprehensive income, net of tax	847				847
Dividends	(3,261)			(3,261)
Restricted shares forfeited (in shares)		(6)
Restricted shares forfeited	(56)	$ (56)
Share-based compensation expense (in shares)		0
Share-based compensation expense	626	$ 626
Balance (in shares) at Jan. 29, 2022		10,981	4,294			730
Balance at Jan. 29, 2022	$ 355,256	$ 71,808	$ 697	$ 304,117	$ (7,338)	$ (14,028)