Condensed Consolidated Balance Sheets (Parentheticals) (USD $)	Apr. 01, 2012	Jan. 01, 2012
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	367,500,000	367,500,000
Common stock, shares issued	122,010,612	101,851,290
Common stock, shares outstanding	118,313,577	100,475,533
Treasury stock, shares outstanding	3,697,035	1,375,757