Income Taxes (Income Tax Provision) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Sep. 27, 2013
Current tax expense (benefit):
Federal	$ 199.5	$ 88.2	$ 38.0
State	(0.5)	(0.5)	0.1
Foreign	33.9	13.5	14.8
Current Income Tax Expense	232.9	101.2	52.9
Deferred tax expense (benefit):
Federal	(2.0)	12.3	14.4
State	(10.4)	(4.6)	(4.9)
Foreign	0.4	(11.2)	(0.1)
Deferred Income Tax Expense	(12.0)	(3.5)	9.4
Change in valuation allowance	4.4	9.8	4.1
Provision for income taxes	$ 225.3	$ 107.5	$ 66.4