Leases (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014
Leases [Abstract]
Sublease income recognized	$ 14.6	$ 11.9	$ 13.3
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,573.3	9,641.8
Accumulated depreciation	6,039.5	5,553.5
Assets Held under Financing Leases [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	92.7	66.8
Accumulated depreciation	$ 6.2	$ 2.5