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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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