Consolidated Balance Sheets (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Sep. 24, 2023	Sep. 25, 2022
Accounts receivable, allowance for credit loss	$ 5,260	$ 5,237
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	500	500
Preferred stock, shares issued	0	0
Common Class A
Common stock, shares authorized	12,000	12,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued	6,064	5,979
Common stock, shares outstanding	6,064	5,979
Common Class B
Common stock, shares authorized	3,000	3,000
Common stock, par value (in dollars per share)	$ 2	$ 2
Common stock, shares issued	0	0