Debt, Finance Lease and Other Financing Obligations - Schedule of Debt, Finance Lease and Other Financing Obligations (Details) - USD ($) $ in Thousands	Apr. 01, 2023	Oct. 01, 2022
Debt Instrument [Line Items]
Long-term debt, gross	$ 434,000	$ 413,000
Finance lease and other financing obligations	50,093	50,269
Unamortized deferred financing fees	(1,352)	(1,522)
Total obligations	482,741	461,747
Current portion of long-term debt and finance lease obligations	(294,011)	(273,971)
Long-term debt, finance lease and other financing obligations, net of current portion	188,730	187,776
Senior Notes | 4.05% Senior Notes, due June 15, 2025
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000	$ 100,000
Interest Rate, Senior Notes	4.05%	4.05%
Senior Notes | 4.22% Senior Notes, due June 15, 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 50,000	$ 50,000
Interest Rate, Senior Notes	4.22%	4.22%
Line of Credit | Borrowings under Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 284,000	$ 263,000