Stockholders' Equity, Summary of Total Intrinsic Value (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value, awards vested	$ 111.8	$ 111.9	$ 249.6