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 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
Compensation expense associated with stock-based plans		398			398
Repurchases of common stock (in shares)	(19)
Repurchases of common stock	$ (19)	(82)	(438)		(539)
Cash dividends declared			(49,191)		(49,191)
Restricted stock units and stock options surrendered for withholding taxes payable		(20)			(20)
Stock options exercised, net (in shares)	13
Stock options exercised, net	$ 13	297			310
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
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
Compensation expense associated with stock-based plans		997			997
Repurchases of common stock (in shares)	(9)
Repurchases of common stock	$ (9)	(39)	(255)		(303)
Cash dividends declared			(584)		(584)
Vested and released restricted stock units (in shares)	24
Vested and released restricted stock units	$ 24	(24)			0
Restricted stock units and stock options surrendered for withholding taxes payable		(141)			(141)
Stock options exercised, net (in shares)	4
Stock options exercised, net	$ 4	114			118
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 Sep. 28, 2024	19,452
Balance at Sep. 28, 2024	$ 19,452	86,671	245,340	(608)	350,855
Net earnings			1,081		1,081
Compensation expense associated with stock-based plans		345			345
Repurchases of common stock (in shares)	(21)
Repurchases of common stock	$ (21)	(97)	(499)		(617)
Cash dividends declared			(20,014)		(20,014)
Balance (in shares) at Dec. 28, 2024	19,431
Balance at Dec. 28, 2024	$ 19,431	86,919	225,908	(608)	331,650
Balance (in shares) at Sep. 28, 2024	19,452
Balance at Sep. 28, 2024	$ 19,452	86,671	245,340	(608)	350,855
Net earnings					11,311
Balance (in shares) at Mar. 29, 2025	19,412
Balance at Mar. 29, 2025	$ 19,412	87,959	234,650	(608)	341,413
Balance (in shares) at Dec. 28, 2024	19,431
Balance at Dec. 28, 2024	$ 19,431	86,919	225,908	(608)	331,650
Net earnings			10,230		10,230
Compensation expense associated with stock-based plans		1,343			1,343
Repurchases of common stock (in shares)	(40)
Repurchases of common stock	$ (40)	(179)	(906)		(1,125)
Cash dividends declared			(582)		(582)
Vested and released restricted stock units (in shares)	21
Vested and released restricted stock units	$ 21	(21)			0
Restricted stock units and stock options surrendered for withholding taxes payable		(103)			(103)
Balance (in shares) at Mar. 29, 2025	19,412
Balance at Mar. 29, 2025	$ 19,412	$ 87,959	$ 234,650	$ (608)	$ 341,413