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Note 14 - Stockholders' Equity (Detail) - Summary Changes in Outstanding Shares of Common Stock
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Stock        
Shares, common stock 17,068,182 17,405,270 19,631,623 20,447,343
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding 29,612 302,007 318,045  
Repurchase of shares (366,700) (2,528,360) (1,133,765)