Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Income Tax Disclosure [Abstract]
Effective tax rate (as a percent)	29.50%	(53.20%)	17.30%	70.50%
Statutory Federal income tax rate (as a percent)	35.00%	35.00%	35.00%	35.00%
Unrecognized tax benefits	$ 6.4	$ 6.4	$ 6.4	$ 6.4
Accrued interest and penalties	$ 0.8	$ 0.0	$ 0.8	$ 0.0