Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2025	Mar. 31, 2024	Mar. 30, 2025	Mar. 31, 2024	Sep. 29, 2024
Stored value card liability and current portion of deferred revenue	$ 1,920.1		$ 1,920.1		$ 1,781.2
Deferred revenue	5,871.3		5,871.3		5,963.6
Deferred Revenue, Revenue Recognized	44.1	$ 44.1	88.2	$ 88.2
Nestle Global Coffee Alliance [Member]
Stored value card liability and current portion of deferred revenue	177.0		177.0		177.0
Deferred revenue	$ 5,700.0		$ 5,700.0		$ 5,800.0