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 (loss) income	10,490			10,490
Other comprehensive income, net of tax	2,351				2,351
Dividends	(9,785)			(9,785)
Restricted shares forfeited (in shares)		(8)
Restricted shares forfeited	(24)	$ (24)
Share-based compensation expense (in shares)		8
Share-based compensation expense	1,916	$ 1,916
Balance (in shares) at Apr. 24, 2021		10,985	4,294			726
Balance at Apr. 24, 2021	337,268	$ 69,964	$ 697	286,946	(6,400)	$ (13,939)
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	2,574			2,574
Other comprehensive income, net of tax	1,054				1,054
Dividends	(3,262)			(3,262)
Share-based compensation expense (in shares)		0
Share-based compensation expense	640	$ 640
Balance (in shares) at Apr. 24, 2021		10,985	4,294			726
Balance at Apr. 24, 2021	337,268	$ 69,964	$ 697	286,946	(6,400)	$ (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 (loss) income	14,227			14,227
Other comprehensive income, net of tax	14,554				14,554
Dividends	(9,787)			(9,787)
Restricted shares forfeited (in shares)		(12)
Restricted shares forfeited	(129)	$ (129)
Treasury stock purchases (in shares)						26
Treasury stock purchases	(649)					$ (649)
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 (loss) income	(3,231)			(3,231)
Other comprehensive income, net of tax	12,828				12,828
Dividends	(3,261)			(3,261)
Restricted shares forfeited (in shares)		(6)
Restricted shares forfeited	(73)	$ (73)
Treasury stock purchases (in shares)						22
Treasury stock purchases	(560)					$ (560)
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)