OTHER ASSETS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Other Assets [Abstract]
Supply contracts	$ 1,045.4	$ 1,044.6	$ 1,048.0
Other	59.3	71.7	54.5
Other assets	1,104.7	1,116.3	$ 1,102.5
Amortization of Supply Contracts	$ 17.6	$ 17.6