Debt, Finance Lease and Other Financing Obligations- Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Fair value of debt	$ 383,600		$ 374,300
Long-term debt, gross	$ 389,000		$ 383,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, term	5 years
Highest daily borrowings	$ 376,000	$ 412,000
Average daily borrowings	$ 300,300	$ 344,500