Acquisition (Unaudited Pro Forma Financial Information) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Business Combinations [Abstract]
Revenue	$ 315.5	$ 331.7	$ 951.4	$ 982.8
Net income	$ 34.3	$ 21.7	$ 60.3	$ 44.6
Earnings per share—Basic	$ 0.29	$ 0.18	$ 0.50	$ 0.38
Earnings per share—Diluted	$ 0.28	$ 0.18	$ 0.50	$ 0.37