REVENUE Revenue Textuals (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)
Contract with Customer, Liability, Revenue Recognized	$ 8.8	$ 47.1
Long-term Contract with Customer [Member]
Revenue, Remaining Performance Obligation, Amount	812.3	812.3
Remaining Current Fiscal Year [Member] | Long-term Contract with Customer [Member] | Minimum [Member]
Revenue, Remaining Performance Obligation, Amount	390.0	390.0
Remaining Current Fiscal Year [Member] | Long-term Contract with Customer [Member] | Maximum [Member]
Revenue, Remaining Performance Obligation, Amount	$ 410.0	$ 410.0