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Guarantees, Commitments and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Cash paid for amounts included in the measurement of lease liabilities
Financing cash flows - finance leases	$ 1,294	$ 945	$ 133
Operating cash flows - operating leases	1,394	1,711
Financing cash flows - finance leases	241	238
Right-of-use assets exchanged for lease liabilities
Operating leases	62	0	8,040
Finance leases	$ 0	$ 3,496	$ 4,770

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Cash Flow, Lessee [Abstract]

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Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract]

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Amount of interest paid on finance lease liability.

+ References

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Amount of cash outflow for principal payment on finance lease.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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