v3.26.1
Disaggregation of Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Sep. 27, 2025
Disaggregation Of Revenue [Line Items]          
Contract with customer, liability revenue recognized $ 7,786 $ 8,929 $ 80,840 $ 86,084  
Contract assets $ 12,483   $ 12,483   $ 5,806
Propane [Member]          
Disaggregation Of Revenue [Line Items]          
Segment reporting, percentage of revenue 88.00% 88.00% 88.00% 88.00%  
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%