Employee Stock Award and Benefit Plans - Schedule of deferred compensation plans' investments and liabilities (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Share-based Compensation, Allocation and Classification in Financial Statements [Line Items]
Cash surrender value of life insurance contracts	$ 18,520	$ 16,223
Fair value of mutual and money market funds	22,981	22,852
Total assets	41,501	39,075
Total deferred compensation liability, included in:
Other current liabilities	1,781	3,233
Other long-term liabilities	42,854	39,715
Total deferred compensation liability	44,635	42,948
Prepaid expenses and other assets
Share-based Compensation, Allocation and Classification in Financial Statements [Line Items]
Total assets	1,781	3,233
Other assets
Share-based Compensation, Allocation and Classification in Financial Statements [Line Items]
Total assets	$ 39,720	$ 35,842

Investment in mutual funds.

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Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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