Segment and Geographic Information - Summary of Revenue for Geographic Regions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 28, 2020	Mar. 31, 2021	Mar. 28, 2020
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	$ 461,785	$ 359,603	$ 890,836	$ 715,713
Americas
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	180,329	153,993	382,609	309,967
Europe
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	202,477	146,422	364,796	282,943
Asia-Pacific
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	$ 78,979	$ 59,188	$ 143,431	$ 122,803