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EARNINGS PER SHARE & DIVIDEND PER SHARE (Details 1) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
DIVIDEND PER SHARE      
Dividend for the year $ 1.2 $ 25.0 $ 0.0
Number of shares, end of period 62.3 62.3 63.8
Dividend per share $ 0.02 $ 0.4 $ 0