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Note 5 - Restricted Stock Outstanding (Details) - Restricted Stock [Member] - $ / shares
3 Months Ended
Apr. 03, 2016
Apr. 05, 2015
Outstanding Shares (in shares) 1,470,000  
Weighted Average Exercise Price (in dollars per share) $ 17.92  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 242,000 579,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 17.16  
Vested (in shares) 974,000  
Vested (in dollars per share) $ 18.53  
Forfeited or canceled (in shares) 160,000  
Forfeited or canceled (in dollars per share) $ 16.71  
Outstanding at April 3, 2016 (in shares) 578,000  
Outstanding at April 3, 2016 (in dollars per share) $ 16.91