Geographic and Significant Customer Information - Summary of Customer Concentrations as Percentage of Revenue and Accounts Receivable (Details) - Customer Concentration Risk [Member]	3 Months Ended		6 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Apr. 03, 2020	Mar. 29, 2019
Revenue
Revenue from External Customer [Line Items]
Concentration risk, percentage	58.00%	55.00%	59.00%	56.00%
Revenue | Customer A
Revenue from External Customer [Line Items]
Concentration risk, percentage	15.00%	14.00%	15.00%	15.00%
Revenue | Customer B
Revenue from External Customer [Line Items]
Concentration risk, percentage	11.00%	5.00%	10.00%	6.00%
Accounts Receivable [Member] | Customer A
Revenue from External Customer [Line Items]
Concentration risk, percentage			23.00%	24.00%
Accounts Receivable [Member] | Customer C [Member]
Revenue from External Customer [Line Items]
Concentration risk, percentage			13.00%	10.00%