Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 30, 2023	Sep. 30, 2023	Dec. 24, 2022
Accounts receivable allowance for doubtful accounts	$ 24,973	$ 25,797	$ 26,115
Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	11,077,612	11,077,612	11,250,162
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	41,076,686	41,042,325	41,175,036
Class B Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	1,602,374