Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Jun. 25, 2023	Sep. 25, 2022
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	500	500
Preferred stock, shares issued (in shares)	0	0
Common Class A
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	12,000	12,000
Common stock, shares issued (in shares)	6,072	5,979
Common stock, shares outstanding (in shares)	6,072	5,979
Common Class B
Common stock, par value (in dollars per share)	$ 2	$ 2
Common stock, shares authorized (in shares)	3,000	3,000
Common stock, shares issued (in shares)	0	0