Derivatives and Fair Value Measurements - Schedule of Derivative Impact on Accumulated Other Comprehensive (Loss) Income (Details) - Derivatives designated as hedging instruments - Derivatives in Cash Flow Hedging Relationships - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCL on Derivatives (Effective Portion)	$ 0	$ 0	$ (10)
Forward currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCL on Derivatives (Effective Portion)	$ (629)	$ 2,579	$ (848)