Other Intangible Assets and Goodwill (Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 27, 2020	Sep. 29, 2019
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,307.9	$ 1,181.4
Accumulated amortization	(850.8)	(603.0)
Net Carrying Amount	457.1	578.4
Acquired and reacquired rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,116.1	1,075.0
Accumulated amortization	(765.0)	(537.2)
Net Carrying Amount	351.1	537.8
Acquired trade secrets and processes [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	27.6	27.6
Accumulated amortization	(22.0)	(19.2)
Net Carrying Amount	5.6	8.4
Trade Names, trademarks and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	124.8	40.6
Accumulated amortization	(32.1)	(22.9)
Net Carrying Amount	92.7	17.7
Licensing agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	16.6	16.2
Accumulated amortization	(15.0)	(12.2)
Net Carrying Amount	1.6	4.0
Other finite-lived intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	22.8	22.0
Accumulated amortization	(16.7)	(11.5)
Net Carrying Amount	$ 6.1	$ 10.5