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v3.19.2

Description Of Business and Basis Of Presentation (Details) | 3 Months Ended | 9 Months Ended
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Jun. 28, 2019 | Jun. 29, 2018 | Jun. 28, 2019 | Jun. 29, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Number of weeks in fiscal year |  |  | 1 year | 1 year
Number of weeks in fiscal quarter | 3 months | 3 months |  |

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