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BUSINESS COMBINATIONS - Narrative (Details) - Handy - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Oct. 19, 2018
Dec. 31, 2019
Business Acquisition    
Proportion of voting interests acquired (as a percent) 100.00%  
Consideration transferred $ 168.4  
Common stock issued (shares) 8.6  
Common stock $ 165.8  
Share price (USD per share) $ 19.31  
Adjustment to deferred tax assets   $ 27.2
Adjustment to goodwill   $ (27.2)