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STOCKHOLDERS' EQUITY: - Non Controlling Interest (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Non-controlling interest activity    
Balance at the beginning of the period $ 51.2 $ 47.9
Net earnings 3.3 1.4
Dividend paid (1.3) (2.3)
Balance at the end of the period $ 53.2 $ 47.0