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Guarantees - Schedule of Activity Related to Limited Warranty Liability (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]      
Limited warranty liability, beginning balance $ 6,109 $ 5,847 $ 6,803
Accruals for warranties issued during the period 912 1,777 1,742
Settlements (in cash or in kind) during the period (2,265) (1,515) (2,698)
Limited warranty liability, ending balance $ 4,756 $ 6,109 $ 5,847