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Guarantees, Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 02, 2021 | Oct. 03, 2020
Commitments and Contingencies Disclosure [Abstract] |  |
Accrual for environmental loss contingencies, discount rate (as a percent) | 9.30% |
Accrual for environmental loss contingencies | $ 0.2 | $ 0.2
Period for aggregate undiscounted amount | 6 years |
Accrual for environmental loss contingencies, gross | $ 0.5 |
Accrual for Environmental Loss Contingencies, Fiscal Year Maturity [Abstract] |  |
2022 | 0.1 |
2023 | 0.1 |
2024 | 0.1 |
2025 | 0.1 |
2026 | 0.1 |
Thereafter | 0.1 |
Operating Leased Assets [Line Items] |  |
Maximum exposure of guarantor | $ 3.0 |
Guarantor obligations, term | 1.3 years |
Fair value of guarantees | $ 0.2 |
Renewal term | 5 years |
Minimum |  |
Operating Leased Assets [Line Items] |  |
Lease term | 1 year |
Maximum |  |
Operating Leased Assets [Line Items] |  |
Lease term | 6 years 2 months 12 days |

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