Transactions with Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Related Party Transaction [Line Items]
Accounts payable	$ 190,902	$ 215,681
Contract Packaging, Inc.
Related Party Transaction [Line Items]
Percentage of shares held by CPI in Tech Pac	20.00%	20.00%	20.00%
Accounts payable	$ 1,600	$ 1,000
Contract Packaging, Inc. \| Tech Pac
Related Party Transaction [Line Items]
Purchases products from related party	$ 31,000	$ 41,000	$ 42,600

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

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Balance Type:	na
Period Type:	duration