Income Taxes (Income Tax Provision) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Oct. 03, 2014
Current tax expense (benefit):
Federal	$ 181.8	$ 199.5	$ 88.2
State	0.1	(0.5)	(0.5)
Foreign	25.8	33.9	13.5
Current Income Tax Expense	207.7	232.9	101.2
Deferred tax expense (benefit):
Federal	(0.8)	(2.0)	12.3
Foreign	(1.5)	(5.6)	(6.0)
Deferred Income Tax Expense	(2.3)	(7.6)	6.3
Provision for income taxes	$ 205.4	$ 225.3	$ 107.5