Property and Equipment, Net - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 24, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 883,406	$ 856,206
Accumulated depreciation and amortization	(491,638)	(459,227)
Property and equipment, net	391,768	396,979
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	29,434	29,474
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	277,618	263,499
Transportation equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,258	12,572
Machine and warehouse equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	388,854	345,994
Capitalized software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	117,007	123,353
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	30,534	29,697
Assets under construction
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 25,701	$ 51,617