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Other Accrued Liabilities (Summary of Activity in Warranty Accrual) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 03, 2020
Sep. 28, 2019
Sep. 29, 2018
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]      
Warranty accrual at beginning of period $ 28,061 $ 25,537 $ 25,848
Additions from acquisitions 767 0 184
Warranties issued during current period 14,820 20,024 15,705
Adjustments to pre-existing warranties (1,779) (952) (806)
Reductions for settling warranties (14,656) (16,083) (15,101)
Foreign currency translation 494 (465) (293)
Warranty accrual at end of period $ 27,707 $ 28,061 $ 25,537