Restructuring Charges - Additional Information (Detail)		3 Months Ended				9 Months Ended		12 Months Ended
	Jan. 10, 2022 USD ($) Installment	Oct. 01, 2022 USD ($)	Apr. 02, 2022 USD ($)	Oct. 02, 2021 USD ($)	Sep. 26, 2020	Oct. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)	Jan. 01, 2022 USD ($)	Jan. 02, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Percentage of reduction of global workforce					5.20%	6.00%
Reduction in salary, wages and other employee-related expenses due to implementation of plan				$ 2,000,000		$ 2,100,000
Other Employee benefits expense								$ 693,000
Asset impairment charges	$ 1,200,000							1,200,000
Other Commitment	665,000								$ 665,000
Operating cash outflows from operating leases								$ 2,100,000
Operating lease, first instalment payments	308,000
Operating lease, quarterly instalment payments	$ 259,000
Number of operating lease payments | Installment	7
Provision for restructuring reserves			$ 37,000	276,000			$ 319,000
Savings in stock based compensation pursuant to restructuring						1,300,000
Equity-based compensation		$ 2,209,000		$ 885,000		2,698,000	$ 2,872,000
Restructuring Costs						1,200,000
Inventory Writeoff						755,000,000
Disposal of Fixed assets						$ 1,500,000
Severance And Other Employee Related Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Provision for restructuring reserves			1,232,000
Equity-based compensation			$ 75,000