Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 30, 2014	Dec. 29, 2013
Accumulated depreciation and amortization	$ 380.5	$ 367.0
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares outstanding	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares outstanding	37,560,180	37,571,182
Common stock, shares issued	37,697,865	37,571,182