Defined Benefit Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Retirement Benefits [Abstract]
Service cost	$ 2,003	$ 2,153	$ 1,955
Interest cost	936	857	1,308
Expected return on plan assets	(620)	(682)	(817)
Recognized net actuarial (gain) loss	(292)	(690)	470
Foreign exchange impacts	(82)	66	(79)
Net periodic pension cost	$ 1,945	$ 1,704	$ 2,837