Disaggregation of Revenue - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
Jun. 28, 2025 |
Jun. 29, 2024 |
Sep. 28, 2024 |
|
| Disaggregation Of Revenue [Line Items] | |||||
| Contract with customer, liability revenue recognized | $ 8,929 | $ 9,979 | $ 86,084 | $ 83,762 | |
| Contract assets | $ 12,326 | $ 12,326 | $ 3,901 | ||
| Propane [Member] | |||||
| Disaggregation Of Revenue [Line Items] | |||||
| Segment reporting, percentage of revenue | 89.00% | 89.00% | 89.00% | 89.00% | |
| Fuel Oil and Refined Fuels [Member] | |||||
| Disaggregation Of Revenue [Line Items] | |||||
| Segment reporting, percentage of revenue | 5.00% | 5.00% | 5.00% | 5.00% | |
| Natural Gas and Electricity [Member] | |||||
| Disaggregation Of Revenue [Line Items] | |||||
| Segment reporting, percentage of revenue | 2.00% | 2.00% | 2.00% | 2.00% | |