Commitments and Contingencies (Details) $ in Thousands		3 Months Ended			12 Months Ended
	Jan. 17, 2025 USD ($)	Sep. 28, 2025 USD ($)	Mar. 30, 2025 USD ($)	Dec. 29, 2024 USD ($)	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Oct. 01, 2023 USD ($)	Jul. 15, 2019 action
Loss Contingencies [Line Items]
Number of qui tam actions | action								3
Legal contingency costs				$ 115,000	$ 115,000	$ 0	$ 0
Legal contingency costs				97,000
Ancillary claims				$ 18,000
FCA Claims
Loss Contingencies [Line Items]
Settlement amount	$ 57,000		$ 57,000
CERCLA Claims
Loss Contingencies [Line Items]
Settlement amount	$ 40,000
Settlement expected to be paid		$ 40,000