Derivatives and Fair Value Measurements - Schedule of Derivative Impact on (Loss) Gain Recognized in Income (Details) - Derivatives designated as hedging instruments - Derivatives in cash flow hedging relationships - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Foreign currency forward contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Reclassified from Accumulated OCL into Income	$ (1,278)	$ (1,506)	$ 5,676
Foreign currency forward contracts | Selling and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Reclassified from Accumulated OCL into Income	(107)	(173)	619
Treasury rate locks | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Reclassified from Accumulated OCL into Income	$ 0	$ 0	$ 226