Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012	Oct. 02, 2011
Income Tax Disclosure [Abstract]
Deferred tax asset related to litigation charge, estimated recovery period	15 years
Cumulative undistributed earnings of foreign subsidiaries and equity investees	$ 2,200,000,000
Net change in total valuation allowance	6,300,000	6,300,000
Tax credit carryforward	31,200,000
Foreign net operating loss carryforwards	342,400,000
Gross unrecognized tax benefits	112,700,000	88,800,000	75,300,000	52,900,000
Unrecognized tax benefits affecting the effective tax rate if recognized	85,300,000
Interest and penalties expense/(benefit) recognized in income tax expense	5,900,000	(800,000)	(700,000)
Accrued interest and penalties	$ 10,600,000	$ 4,700,000