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Commitments and Contingencies - Additional Information (Details) $ in Thousands		1 Months Ended	12 Months Ended
	Jun. 27, 2018 USD ($) claim	Jun. 27, 2020 USD ($)	Sep. 26, 2020 USD ($)	Apr. 30, 2020 USD ($)	Nov. 26, 2019 USD ($)	Sep. 28, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit			$ 2,400
Restricted cash			13,685			$ 12,952
Number of claims \| claim	3
Awarded damages	$ 12,600	$ 12,400
Athens, Texas \| Loss from Fire \| Pet Products Segment
Loss Contingencies [Line Items]
Inventory and property related losses				$ 10,000
Loss contingency, loss in period			$ 10,000
Minimum \| Athens, Texas \| Loss from Fire \| Pet Products Segment
Loss Contingencies [Line Items]
Inventory and property related losses					$ 35,000
Maximum \| Athens, Texas \| Loss from Fire \| Pet Products Segment
Loss Contingencies [Line Items]
Inventory and property related losses					$ 40,000