Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balances at Beginning of Period	$ 26,246	$ 29,219	$ 27,661
Charged/ (Credited)  to Costs and Expenses	1,258	1,264	6,604
Asset Write-Offs, Less Recoveries	(1,707)	(4,237)	(5,046)
Balances at End of Period	$ 25,797	$ 26,246	$ 29,219