STOCKHOLDERS' EQUITY: - Non Controlling Interest (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Non-controlling interest activity
Balance at the beginning of the period			$ 58.6	$ 51.2
Net earnings	$ 1.9	$ 3.6	6.8	10.6
Dividend paid			(4.2)	(4.4)
Balance at the end of the period	$ 61.2	$ 57.4	$ 61.2	$ 57.4