SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		$ 4,822	$ 3,332	$ 4,473
Charged (credited) to Costs and Expenses		2,834	4,433	770
Other Additions		0	0	0
Deductions	[1]	3,207	2,943	(1,911)
Balance at End of Period		4,449	4,822	3,332
Valuation Allowance of Deferred Tax Assets [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		39,442	38,268	37,698
Charged (credited) to Costs and Expenses		6,721	1,174	570
Other Additions		0	0	0
Deductions	[1]	0	0	0
Balance at End of Period		$ 46,163	$ 39,442	$ 38,268

[1] Represents amounts that did not impact earnings.