Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Oct. 01, 2022	19,478
Balance at Oct. 01, 2022	$ 19,478	$ 81,997	$ 289,246	$ (977)	$ 389,744
Net earnings			11,123		11,123
Stock options exercised, net (in shares)	5
Stock options exercised, net	$ 5	89			94
Compensation expense associated with stock-based plans		130			130
Repurchases of common stock (in shares)	(32)
Repurchases of common stock	$ (32)	(134)	(750)		(916)
Cash dividends declared			(39,501)		(39,501)
Balance (in shares) at Dec. 31, 2022	19,451
Balance at Dec. 31, 2022	$ 19,451	82,082	260,118	(977)	360,674
Balance (in shares) at Oct. 01, 2022	19,478
Balance at Oct. 01, 2022	$ 19,478	81,997	289,246	(977)	389,744
Net earnings					16,224
Balance (in shares) at Apr. 01, 2023	19,441
Balance at Apr. 01, 2023	$ 19,441	82,708	263,806	(977)	364,978
Balance (in shares) at Dec. 31, 2022	19,451
Balance at Dec. 31, 2022	$ 19,451	82,082	260,118	(977)	360,674
Net earnings			5,101		5,101
Compensation expense associated with stock-based plans		983			983
Repurchases of common stock (in shares)	(34)
Repurchases of common stock	$ (34)	(146)	(829)		(1,009)
Restricted stock units and stock options surrendered for withholding taxes payable		(187)			(187)
Cash dividends declared			(584)		(584)
Vested and released restricted stock units (in shares)	24
Vested and released restricted stock units	$ 24	(24)			0
Balance (in shares) at Apr. 01, 2023	19,441
Balance at Apr. 01, 2023	$ 19,441	82,708	263,806	(977)	364,978
Balance (in shares) at Sep. 30, 2023	19,454
Balance at Sep. 30, 2023	$ 19,454	83,832	278,502	(283)	381,505
Net earnings			1,132		1,132
Stock options exercised, net (in shares)	13
Stock options exercised, net	$ 13	297			310
Compensation expense associated with stock-based plans		398			398
Repurchases of common stock (in shares)	(19)
Repurchases of common stock	$ (19)	(82)	(438)		(539)
Restricted stock units and stock options surrendered for withholding taxes payable		(20)			(20)
Cash dividends declared			(49,191)		(49,191)
Balance (in shares) at Dec. 30, 2023	19,448
Balance at Dec. 30, 2023	$ 19,448	84,425	230,005	(283)	333,595
Balance (in shares) at Sep. 30, 2023	19,454
Balance at Sep. 30, 2023	$ 19,454	83,832	278,502	(283)	381,505
Net earnings					$ 8,071
Stock options exercised, net (in shares)					38
Balance (in shares) at Mar. 30, 2024	19,467
Balance at Mar. 30, 2024	$ 19,467	85,332	236,105	(283)	$ 340,621
Balance (in shares) at Dec. 30, 2023	19,448
Balance at Dec. 30, 2023	$ 19,448	84,425	230,005	(283)	333,595
Net earnings			6,939		6,939
Stock options exercised, net (in shares)	4
Stock options exercised, net	$ 4	114			118
Compensation expense associated with stock-based plans		997			997
Repurchases of common stock (in shares)	(9)
Repurchases of common stock	$ (9)	(39)	(255)		(303)
Restricted stock units and stock options surrendered for withholding taxes payable		(141)			(141)
Cash dividends declared			(584)		(584)
Vested and released restricted stock units (in shares)	24
Vested and released restricted stock units	$ 24	(24)			0
Balance (in shares) at Mar. 30, 2024	19,467
Balance at Mar. 30, 2024	$ 19,467	$ 85,332	$ 236,105	$ (283)	$ 340,621