Annual report pursuant to Section 13 and 15(d)

401(K) Plan - Additional Information (Details)

v3.21.2
401(K) Plan - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Defined Contribution Plan Disclosure [Line Items]      
Defined Contribution Plan, Tax Status [Extensible Enumeration] us-gaap:QualifiedPlanMember    
Defined compensation plan matching contribution by employer 50.00%    
Defined compensation plan by employee 4.00%    
Defined contribution retirement plan expenses $ 0.8 $ 1.1 $ 1.0