Employee Benefit Plans - Schedule of Measurement of Partnership's Pension Plan Assets by Category (Details) - Pension Benefits [Member] - USD ($) $ in Thousands |
Sep. 28, 2024 |
Sep. 30, 2023 |
Sep. 24, 2022 |
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Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | |||||||||||
Fair value of plan assets | $ 52,758 | [1],[2] | $ 51,340 | [1],[2] | $ 55,091 | ||||||
Short-term investments [Member] | |||||||||||
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | |||||||||||
Fair value of plan assets | [1] | 1,466 | 1,474 | ||||||||
Domestic equity securities [Member] | |||||||||||
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | |||||||||||
Fair value of plan assets | [1],[3] | 2,855 | 2,766 | ||||||||
International equity securities [Member] | |||||||||||
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | |||||||||||
Fair value of plan assets | [1],[3] | 4,975 | 4,781 | ||||||||
Fixed income securities [Member] | |||||||||||
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | |||||||||||
Fair value of plan assets | [1],[2] | $ 43,462 | $ 42,319 | ||||||||
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