Revenue Recognition - Summary of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 01, 2022	Sep. 24, 2021
Revenue from Contract with Customer [Abstract]
Accounts receivable, net	$ 227,263	$ 232,609
Contract assets, net	258,846	182,316
Contract liabilities	22,109	18,473
Non-current contract liabilities	24,569	$ 23,713
Change ($)
Accounts receivable, net	(5,346)
Contract assets, net	76,530
Contract liabilities - current	3,636
Contract liabilities - non-current	$ 856
Change (%)
Accounts receivable, net	(2.00%)
Contract assets, net	42.00%
Contract liabilities - current	20.00%
Contract liabilities - non-current	4.00%