Income Taxes (Tax Effect of Temporary Differences and Carryforwards That Comprise Significant Portions of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Oct. 02, 2016	Sep. 27, 2015
Income Tax Disclosure [Abstract]
Property, plant and equipment	$ 56.8	$ 54.4
Accrued occupancy costs	104.5	95.6
Accrued compensation and related costs	88.6	81.6
Stored value card liability	124.2	97.2
Stock-based compensation	138.3	135.5
Net operating losses	79.0	93.4
Litigation charge	862.3	931.0
Other	197.4	171.3
Total	1,651.1	1,660.0
Valuation allowance	(70.3)	(143.7)
Total deferred tax asset, net of valuation allowance	1,580.8	1,516.3
Property, plant and equipment	(445.7)	(150.5)
Intangible assets and goodwill	(175.9)	(176.7)
Other	(88.5)	(51.7)
Total	(710.1)	(378.9)
Net deferred tax asset	870.7	1,137.4
Long-term deferred income tax assets	885.4	1,180.8
Long-term deferred income tax liabilities	$ (14.7)	$ (43.4)