Other Intangible Assets and Goodwill (Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 27, 2015	Sep. 28, 2014
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 380.6	$ 89.8
Accumulated amortization	(78.1)	(28.9)
Net Carrying Amount	302.5	60.9
Acquired and reacquired rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	308.6	36.8
Accumulated amortization	(52.5)	(10.1)
Net Carrying Amount	256.1	26.7
Acquired trade secrets and processes [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	27.6	27.6
Accumulated amortization	(8.2)	(5.4)
Net Carrying Amount	19.4	22.2
Licensing agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	13.4	0.0
Accumulated amortization	(1.1)	0.0
Net Carrying Amount	12.3	0.0
Trade Names, trademarks and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	24.5	21.6
Accumulated amortization	(13.0)	(11.6)
Net Carrying Amount	11.5	10.0
Other finite-lived intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6.5	3.8
Accumulated amortization	(3.3)	(1.8)
Net Carrying Amount	$ 3.2	$ 2.0