Fair Value (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Oct. 01, 2021
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Asset Impairment Charges	$ 64,500	$ 20,700	$ 7,100
Supply Commitment
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Asset Impairment Charges	47,500
Disposal Group, Not Discontinued Operations
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Asset Impairment Charges	$ 12,300