CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Balance, beginning of period (in shares) at Sep. 30, 2022		10,192,051
Balance, beginning of period at Sep. 30, 2022		$ 512	$ 87,351	$ 402,821	$ 620	$ (3,290)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 5,879			5,879
Dividends declared				(3,126)
Award of non-vested shares (in shares)		56,799
Award of non-vested shares		$ 2	(1,381)			1,379
Stock-based compensation			953
Currency translation adjustment	2,937				2,937
Unrealized gain (loss) on available-for-sale securities, net of tax	0
Change in pension plans, net of tax					8
Purchase of treasury stock at cost (in shares)		(7,613)
Purchase of treasury stock at cost						(444)
Balance, end of period (in shares) at Dec. 30, 2022		10,241,237
Balance, end of period at Dec. 30, 2022	494,221	$ 514	86,923	405,574	3,565	(2,355)
Balance, beginning of period (in shares) at Sep. 29, 2023		10,250,949
Balance, beginning of period at Sep. 29, 2023	499,737	$ 514	88,234	409,574	3,323	(1,908)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,955			3,955
Dividends declared				(3,347)
Award of non-vested shares (in shares)		37,712
Award of non-vested shares		$ 2	(2)
Stock-based compensation			598
Currency translation adjustment	3,059				3,059
Unrealized gain (loss) on available-for-sale securities, net of tax	0				102
Change in pension plans, net of tax					7
Purchase of treasury stock at cost (in shares)		(4,661)
Purchase of treasury stock at cost						(241)
Balance, end of period (in shares) at Dec. 29, 2023		10,284,000
Balance, end of period at Dec. 29, 2023	$ 503,870	$ 516	$ 88,830	$ 410,182	$ 6,491	$ (2,149)