Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 207.4	$ 111.4	$ 569.1	$ 282.8
Other comprehensive income, net of tax
Foreign currency translation adjustment	0.0	0.0	(3.0)	0.0
Comprehensive income	$ 207.4	$ 111.4	$ 566.1	$ 282.8