Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 27, 2020	Jun. 30, 2021	Jun. 27, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 12,319	$ 12,127	$ 40,396	$ 27,267
Financing cash flows from financing leases	0	0	279	0
Right-of-use assets obtained in exchange for new lease obligations, operating leases	126	1,929	773	7,397
Right-of-use assets obtained in exchange for new lease obligations, financing leases	$ 0	$ 0	$ 0	$ 1,500