Significant Accounting Policies Revenue Recognition (Details)	12 Months Ended
Sep. 27, 2020
Service, Other [Member]
Revenue from External Customer [Line Items]
Percentage of total (less than)	5.00%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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