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Unit-Based Compensation Arrangements - Summary of Activity In the Restricted Units Plans (Parenthetical) (Details) - shares | 12 Months Ended
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Sep. 30, 2023 | Sep. 24, 2022 | Sep. 25, 2021
2018 Restricted Unit Plan [Member] | Executive Officer [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common units withheld for income tax withholding purposes | 171,840 | 138,039 | 92,336

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- Definition Line items represent financial concepts included in a table. 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