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. 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
Balance (in shares) at Sep. 27, 2025	19,420
Balance at Sep. 27, 2025	$ 19,420	89,402	262,746	(36)	371,532
Net earnings			7,593		7,593
Compensation expense associated with stock-based plans		441			441
Repurchases of common stock (in shares)	(24)
Repurchases of common stock	$ (24)	(110)	(611)		(745)
Cash dividends declared			(19,978)		(19,978)
Balance (in shares) at Dec. 27, 2025	19,396
Balance at Dec. 27, 2025	$ 19,396	89,733	249,750	(36)	358,843
Balance (in shares) at Sep. 27, 2025	19,420
Balance at Sep. 27, 2025	$ 19,420	89,402	262,746	(36)	371,532
Net earnings					12,810
Balance (in shares) at Mar. 28, 2026	19,433
Balance at Mar. 28, 2026	$ 19,433	90,735	254,384	(36)	364,516
Balance (in shares) at Dec. 27, 2025	19,396
Balance at Dec. 27, 2025	$ 19,396	89,733	249,750	(36)	358,843
Net earnings			5,217		5,217
Compensation expense associated with stock-based plans		1,317			1,317
Cash dividends declared			(583)		(583)
Vested and released restricted stock units (in shares)	37
Vested and released restricted stock units	$ 37	(37)			0
Restricted stock units and stock options surrendered for withholding taxes payable		(278)			(278)
Balance (in shares) at Mar. 28, 2026	19,433
Balance at Mar. 28, 2026	$ 19,433	$ 90,735	$ 254,384	$ (36)	$ 364,516