Derivatives and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019
Estimated unrealized gains (losses), net of tax, expected to be reclassified in the next 12 months	$ 1,200
Derivatives designated as hedging instruments \| Derivatives in cash flow hedging relationships \| Foreign currency forward contracts
Notional amount of forward exchange contracts	96,800	$ 80,000
Fair value of derivative asset	1,200
Fair value of derivative liability		600
Derivatives not designated as hedging instruments \| Foreign currency forward contracts
Notional amount of forward exchange contracts	15,800	34,400
Fair value of derivative asset	$ 100	$ 900

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Nominal or face amount used to calculate payments on the derivative asset.

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