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Segment Information (Concentration) (Details)	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts receivable from major customers percentage	70.00%		67.00%
Credit Concentration Risk [Member] | Accounts Receivable
Concentration Risk [Line Items]
Accounts receivable from major customers percentage		70.00%
Company A [Member] | Customer Concentration Risk | Revenue Benchmark
Concentration Risk [Line Items]
Revenue from major customers percentage	59.00%	56.00%	51.00%

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Accounts Receivable From Major Customers Percentage

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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