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Note 19 - Dilutive Shares Included in Calculation of Diluted Earnings Per Share (Details)
shares in Millions
12 Months Ended
Dec. 31, 2015
shares
Dilutive Shares Included In Calculation Of Diluted Earnings Per Share [Abstract]  
Unvested share-based awards 0.2
Warrants to purchase common shares 0.3
Total 0.5