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Derivatives and Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 02, 2021
Oct. 03, 2020
Estimated unrealized gains (losses), net of tax, expected to be reclassified in the next 12 months $ 5,200  
Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships | Foreign currency forward contracts    
Notional amount of forward exchange contracts 106,800 $ 96,800
Fair value of derivative asset 5,200 1,200
Derivatives not designated as hedging instruments | Foreign currency forward contracts    
Notional amount of forward exchange contracts 31,000 15,800
Fair value of derivative asset $ 300 $ 100