CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total		Cumulative-Effect of Change in Accounting Principle, Net of Taxes [Member] Common Stock [Member]	Cumulative-Effect of Change in Accounting Principle, Net of Taxes [Member] Additional Paid-In Capital [Member]	Cumulative-Effect of Change in Accounting Principle, Net of Taxes [Member] Retained Earnings [Member]	Cumulative-Effect of Change in Accounting Principle, Net of Taxes [Member]
Balances at Jul. 30, 2021	$ 235	$ 0	$ 663,398	$ 663,633		$ 0	$ 0	$ (36,956)	$ (36,956)
Balances (in shares) at Jul. 30, 2021	23,497,166					0
Comprehensive Income:
Net income	$ 0	0	33,376	33,376
Total comprehensive income	0	0	33,376	33,376
Cash dividends declared	0	0	(30,838)	(30,838)
Share-based compensation	0	2,309	0	2,309
Issuance of share-based compensation awards, net of shares withheld for employee taxes	$ 0	(2,309)	0	(2,309)
Issuance of share-based compensation awards, net of shares withheld for employee taxes (in shares)	22,691
Balances at Oct. 29, 2021	$ 235	0	628,980	629,215
Balances (in shares) at Oct. 29, 2021	23,519,857
Balances at Jul. 30, 2021	$ 235	0	663,398	663,633		$ 0	$ 0	$ (36,956)	$ (36,956)
Balances (in shares) at Jul. 30, 2021	23,497,166					0
Comprehensive Income:
Net income				71,000
Balances at Jan. 28, 2022	$ 232	0	603,872	604,104
Balances (in shares) at Jan. 28, 2022	23,248,532
Balances at Oct. 29, 2021	$ 235	0	628,980	629,215
Balances (in shares) at Oct. 29, 2021	23,519,857
Comprehensive Income:
Net income	$ 0	0	37,624	37,624
Total comprehensive income	0	0	37,624	37,624
Cash dividends declared	0	0	(30,471)	(30,471)
Share-based compensation	0	2,203	0	2,203
Issuance of share-based compensation awards, net of shares withheld for employee taxes	$ 0	(237)	0	(237)
Issuance of share-based compensation awards, net of shares withheld for employee taxes (in shares)	8,339
Purchases and retirement of common stock	$ (3)	(1,966)	(32,261)	(34,230)
Purchases and retirement of common stock (in shares)	(279,664)
Balances at Jan. 28, 2022	$ 232	0	603,872	604,104
Balances (in shares) at Jan. 28, 2022	23,248,532
Balances at Jul. 29, 2022	$ 223	0	511,256	$ 511,479	[1]
Balances (in shares) at Jul. 29, 2022	22,281,443			22,281,443
Comprehensive Income:
Net income	$ 0	0	17,129	$ 17,129
Total comprehensive income	0	0	17,129	17,129
Cash dividends declared	0	0	(28,689)	(28,689)
Share-based compensation	0	2,422	0	2,422
Issuance of share-based compensation awards, net of shares withheld for employee taxes	$ 0	(2,380)	0	(2,380)
Issuance of share-based compensation awards, net of shares withheld for employee taxes (in shares)	34,982
Purchases and retirement of common stock	$ (1)	(42)	(12,405)	(12,448)
Purchases and retirement of common stock (in shares)	(120,958)
Balances at Oct. 28, 2022	$ 222	0	487,291	487,513
Balances (in shares) at Oct. 28, 2022	22,195,467
Balances at Jul. 29, 2022	$ 223	0	511,256	$ 511,479	[1]
Balances (in shares) at Jul. 29, 2022	22,281,443			22,281,443
Comprehensive Income:
Net income				$ 47,620
Balances at Jan. 27, 2023	$ 221	0	486,272	$ 486,493
Balances (in shares) at Jan. 27, 2023	22,150,800			22,150,800
Balances at Oct. 28, 2022	$ 222	0	487,291	$ 487,513
Balances (in shares) at Oct. 28, 2022	22,195,467
Comprehensive Income:
Net income	$ 0	0	30,491	30,491
Total comprehensive income	0	0	30,491	30,491
Cash dividends declared	0	0	(29,179)	(29,179)
Share-based compensation	0	2,689	0	2,689
Issuance of share-based compensation awards, net of shares withheld for employee taxes	$ 0	(20)	0	(20)
Issuance of share-based compensation awards, net of shares withheld for employee taxes (in shares)	6,167
Purchases and retirement of common stock	$ (1)	(2,669)	(2,331)	(5,001)
Purchases and retirement of common stock (in shares)	(50,834)
Balances at Jan. 27, 2023	$ 221	$ 0	$ 486,272	$ 486,493
Balances (in shares) at Jan. 27, 2023	22,150,800			22,150,800

[1] This Condensed Consolidated Balance Sheet has been derived from the audited Consolidated Balance Sheet as of July 29, 2022, as filed with the Securities and Exchange Commission in the Company’s Annual Report on Form 10-K for the fiscal year ended July 29, 2022.