Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Jan. 01, 2016	Jan. 02, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 355.3	$ 195.2
Other comprehensive income, net of tax
Foreign currency translation adjustment	0.0	(3.8)
Comprehensive income	$ 355.3	$ 191.4