Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014	Sep. 29, 2013
Income Tax Disclosure [Abstract]
Cumulative undistributed earnings of foreign subsidiaries and equity investees	$ 3,300.0
Net change in total valuation allowance	(73.4)	$ (23.1)
Tax credit carryforward	24.9
Foreign net operating loss carryforwards	264.2
Gross unrecognized tax benefits	146.5	150.4	$ 112.7	$ 88.8
Unrecognized tax benefits affecting the effective tax rate if recognized	102.0
Interest and penalties expense/(benefit) recognized in income tax expense	3.6	0.7	$ 5.9
Accrued interest and penalties	7.7	$ 11.3
Amount of reasonably possible unrecognized benefit change	$ 18.6