Intangible Assets, Goodwill and Other (Changes in Carrying Amount of Goodwill by Reportable Operating Segment) (Details) $ in Millions	3 Months Ended
	Dec. 27, 2020 USD ($)
Goodwill [Line Items]
Goodwill, beginning balance	$ 3,597.2
Other	109.6
Goodwill, ending balance	3,706.8
Americas [Member]
Goodwill [Line Items]
Goodwill, beginning balance	496.5
Other	1.0
Goodwill, ending balance	497.5
International [Member]
Goodwill [Line Items]
Goodwill, beginning balance	3,065.0
Other	108.6
Goodwill, ending balance	3,173.6
Channel Development [Member]
Goodwill [Line Items]
Goodwill, beginning balance	34.7
Other	0.0
Goodwill, ending balance	34.7
Corporate and Other [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1.0
Other	0.0
Goodwill, ending balance	$ 1.0