Consolidated Statements of Shareholders' Equity - 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. 03, 2020		19,304
Balance at Oct. 03, 2020		$ 19,304	$ 76,387	$ 171,068	$ (1,956)	$ 264,803
Net earnings				66,610		66,610
Other comprehensive (loss) income	[1]				(486)	$ (486)
Stock options exercised (in shares)		74				128
Stock options exercised		$ 74	1,008			$ 1,082
Vested and released restricted stock units (in shares)		30
Vested and released restricted stock units		$ 30	(30)			0
Compensation expense associated with stock-based plans			1,988			1,988
Restricted stock units and stock options surrendered for withholding taxes payable			(665)			(665)
Cash dividends declared				(31,294)		(31,294)
Balance (in shares) at Oct. 02, 2021		19,408
Balance at Oct. 02, 2021		$ 19,408	78,688	206,384	(2,442)	302,038
Net earnings				125,011		125,011
Other comprehensive (loss) income	[1]				1,465	$ 1,465
Stock options exercised (in shares)		72				85
Stock options exercised		$ 72	1,578			$ 1,650
Vested and released restricted stock units (in shares)		40
Vested and released restricted stock units		$ 40	(40)			0
Compensation expense associated with stock-based plans			2,429			2,429
Restricted stock units and stock options surrendered for withholding taxes payable			(483)			(483)
Cash dividends declared				(41,162)		(41,162)
Repurchases of common stock (in shares)		(42)
Repurchases of common stock		$ (42)	(175)	(987)		(1,204)
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				32,415		32,415
Other comprehensive (loss) income	[1]				694	$ 694
Stock options exercised (in shares)		16				32
Stock options exercised		$ 16	223			$ 239
Vested and released restricted stock units (in shares)		40
Vested and released restricted stock units		$ 40	(40)			0
Compensation expense associated with stock-based plans			2,425			2,425
Restricted stock units and stock options surrendered for withholding taxes payable			(432)			(432)
Cash dividends declared				(41,252)		(41,252)
Repurchases of common stock (in shares)		(80)
Repurchases of common stock		$ (80)	(341)	(1,907)		(2,328)
Balance (in shares) at Sep. 30, 2023		19,454
Balance at Sep. 30, 2023		$ 19,454	$ 83,832	$ 278,502	$ (283)	$ 381,505

[1] Activity within accumulated other comprehensive income (loss) is reported net of related income taxes: 2021 $154, 2022 ($463) and 2023 ($219)