Disaggregation of Revenue - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jun. 24, 2023	Jun. 29, 2024	Jun. 24, 2023	Sep. 30, 2023
Disaggregation Of Revenue [Line Items]
Contract with customer, liability revenue recognized	$ 9,979	$ 11,612	$ 83,762	$ 63,643
Contract assets	$ 8,485		$ 8,485		$ 4,844
Propane [Member]
Disaggregation Of Revenue [Line Items]
Segment reporting, percentage of revenue	87.00%	87.00%	87.00%	87.00%
Fuel Oil and Refined Fuels [Member]
Disaggregation Of Revenue [Line Items]
Segment reporting, percentage of revenue	6.00%	6.00%	6.00%	6.00%
Natural Gas and Electricity [Member]
Disaggregation Of Revenue [Line Items]
Segment reporting, percentage of revenue	2.00%	2.00%	2.00%	2.00%