Operating Segments and Geographic Information - Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 02, 2021 USD ($) region segment manufacturer	Sep. 26, 2020 USD ($) manufacturer	Jul. 03, 2021
Concentration Risk
Number of operating segments | segment	2
Number of geographic regions | region	3
South Korea
Concentration Risk
Increase (decrease) in revenue	$ 49.1
Philippines
Concentration Risk
Increase (decrease) in revenue		$ (53.7)
Inventory Purchases | Customer concentration risk | Two Vendors
Concentration Risk
Concentration risk, percentage	64.00%	65.00%
Number of manufacturers (manufacturer) | manufacturer	2	2
Total Net Revenue | Geographic Concentration Risk | South Korea
Concentration Risk
Concentration risk, percentage	23.40%	12.40%
Total Net Revenue | Geographic Concentration Risk | Philippines
Concentration Risk
Concentration risk, percentage	2.00%	13.90%
One Customer | Revenue | Customer concentration risk
Concentration Risk
Concentration risk, percentage	41.00%	35.00%
One Customer | Accounts Receivable | Customer concentration risk
Concentration Risk
Concentration risk, percentage	22.00%		17.00%
Two Customer | Accounts Receivable | Customer concentration risk
Concentration Risk
Concentration risk, percentage	19.00%		14.00%
Three Customers | Accounts Receivable | Customer concentration risk
Concentration Risk
Concentration risk, percentage	10.00%