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Leases - Components of Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Leases [Abstract]    
Operating lease cost $ 5,344 $ 5,023
Variable lease cost 329 376
Short-term lease cost 11 130
Sublease income (2) (32)
Total lease cost $ 5,682 $ 5,497
Weighted average remaining lease term 7 years 7 months 6 days 8 years 3 months 18 days
Weighted average discount rate 4.90% 4.80%