Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 30, 2012	Jan. 01, 2012
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stocks outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common Stock, Shares, Issued	37,162,697	37,027,015
Common stock, shares outstanding	36,162,697	36,449,092