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. 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 (loss)	14,227			14,227
Other comprehensive income, net of tax	14,554				14,554
Dividends	(9,787)			(9,787)
Restricted shares forfeited	(129)	$ (129)
Treasury stock purchases (in shares)						26
Treasury stock purchases	(649)					$ (649)
Restricted shares forfeited (in shares)		(12)
Share-based compensation expense (in shares)		9
Share-based compensation expense	1,886	$ 1,886
Balance (in shares) at Apr. 30, 2022		10,975	4,294			752
Balance at Apr. 30, 2022	361,575	$ 72,351	$ 697	297,625	5,490	$ (14,588)
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,231)			(3,231)
Other comprehensive income, net of tax	12,828				12,828
Dividends	(3,261)			(3,261)
Restricted shares forfeited	(73)	$ (73)
Treasury stock purchases (in shares)						22
Treasury stock purchases	(560)					$ (560)
Restricted shares forfeited (in shares)		(6)
Share-based compensation expense (in shares)		0
Share-based compensation expense	616	$ 616
Balance (in shares) at Apr. 30, 2022		10,975	4,294			752
Balance at Apr. 30, 2022	361,575	$ 72,351	$ 697	297,625	5,490	$ (14,588)
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 (loss)	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 (loss)	11,017			11,017
Other comprehensive income, net of tax	(541)				(541)
Dividends	(3,338)			(3,338)
Restricted shares forfeited	(73)	$ (73)
Treasury stock purchases (in shares)						162
Treasury stock purchases	(3,739)					$ (3,739)
Restricted shares forfeited (in shares)		0
Share-based compensation expense (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)