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Derivatives and Fair Value Measurements - Schedule of the Effect of Derivative Instruments on the Statements of Operations (Details) - Derivatives designated as hedging instruments - Derivatives in Cash Flow Hedging Relationships - USD ($)
$ in Thousands
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Oct. 01, 2016
Interest rate swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in OCL on Derivatives (Effective Portion) $ 0 $ (10) $ (16)
Forward currency forward contracts      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in OCL on Derivatives (Effective Portion) $ 2,579 $ (848) $ 5,311