Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Non-cancellable Operating Leases Minimum Payments (Details) (Parenthetical)

v3.20.4
Commitments and Contingencies - Schedule of Non-cancellable Operating Leases Minimum Payments (Details) (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Commitments and Contingencies Disclosure [Abstract]    
Borrowing discount rate 7.50%  
Lease options exercised description Assumes only one of the two five-year options are exercised. The Company believes it is reasonably certain to exercise the first of the two five-year options but believes the additional five-year option falls outside of the range of reasonable predictability.  
Short-term operating lease $ 417
Long-term operating lease $ 1,037