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Warranty Obligations (Warranty Provisions and Claims) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 03, 2020
Sep. 28, 2019
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning accrued warranty costs $ 3,541 $ 5,418
Warranty claims (4,948) (4,331)
Warranty provisions 7,349 2,485
Adjustments to preexisting warranties 0 (15)
Currency translation 32 (16)
Ending accrued warranty costs $ 5,974 $ 3,541