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Note 3 - Distributed and Undistributed Earnings (Details) - $ / shares
3 Months Ended 6 Months Ended
Jul. 05, 2015
Jun. 29, 2014
Jul. 05, 2015
Jun. 29, 2014
Continuing Operations [Member]        
Basic Earnings Per Share:        
Distributed Earnings (in dollars per share) $ 0.04 $ 0.03 $ 0.08 $ 0.05
Undistributed Earnings (in dollars per share) 0.29 0.17 0.43 0.21
Total (in dollars per share) 0.33 0.20 0.51 0.26
Diluted Earnings Per Share:        
Distributed Earnings (in dollars per share) 0.04 0.03 0.08 0.05
Undistributed Earnings (in dollars per share) 0.29 0.17 0.43 0.21
Total (in dollars per share) 0.33 0.20 0.51 0.26
Total (in dollars per share) 0.33 0.20 0.51 0.26
Diluted earnings per share (in dollars per share) 0.33 0.20 0.51 0.26
Total (in dollars per share) 0.33 0.20 0.51 0.26
Total (in dollars per share) 0.33 0.20 0.51 0.26
Total (in dollars per share) 0.33 0.20 0.51 0.26
Diluted earnings per share (in dollars per share) $ 0.33 $ 0.20 $ 0.51 $ 0.26