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Note 3 - Earnings Per Share - Calculation of Income (Loss) Per Share (Details) - USD ($)
shares in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Oct. 02, 2016
Oct. 04, 2015
Oct. 02, 2016
Oct. 04, 2015
Participating Securities [Member]        
Net Income $ 0.1 $ 0.5 $ 0.4 $ 1.2
Weighted Average Shares Outstanding (in shares) 64,241 64,359 64,721 64,596
Participating Securities (in shares) 564 1,495 564 1,495
Shares for Basic Earnings Per Share (in shares) 64,805 65,854 65,285 66,091
Dilutive Effect of Stock Options (in shares) 37 53 37 48
Shares for Diluted Earnings Per Share (in shares) 64,842 65,907 65,322 66,139