Debt, Finance Lease and Other Financing Obligations- Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Sep. 28, 2024
Debt Instrument [Line Items]
Fair value of debt	$ 162,900		$ 197,800
Long-term debt, gross	$ 165,000		$ 200,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, term	5 years
Highest daily borrowings	$ 52,000	$ 376,000
Average daily borrowings	$ 34,800	$ 300,300