Condensed Consolidated and Combined Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2013	Dec. 28, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 45.6	$ 19.2
Other comprehensive income, net of tax
Currency translation adjustments	0.4	0.3
Unrecognized gain on derivatives, net of $(0.1) and $- tax	0.1	0
Unrecognized (loss) gain on benefit plans, net of $0.1 and $- tax	(0.3)	0.3
Total other comprehensive income, net of tax	0.2	0.6
Comprehensive income	$ 45.8	$ 19.8