Supplemental Financial Information - Self Insurance (Details) - USD ($) $ in Thousands |
Jan. 04, 2020 |
Sep. 28, 2019 |
|---|---|---|
| Condensed Financial Information [Abstract] | ||
| Current portion | $ 3,061 | $ 2,933 |
| Long-term portion | 1,844 | 1,775 |
| Total accrued self-insurance | $ 4,905 | $ 4,708 |