Consolidated Statement of Other Comprehensive Income Statement - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Oct. 03, 2014
Statement of Comprehensive Income [Abstract]
Net Income	$ 995.2	$ 798.3	$ 457.7
Other Comprehensive Income, Net of Tax
Pension adjustments	(1.8)	(0.2)	0.0
Foreign currency translation adjustment	(0.9)	(3.1)	(4.0)
Comprehensive income	$ 992.5	$ 795.0	$ 453.7