REVENUE Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Accounts receivable, net of allowances of $59.0 and $66.6	$ 235.0	$ 280.2
Contract liabilities	39.9	51.0
Accounts receivable, allowances	$ 59.0	$ 66.6