ACCOUNTS AND OTHER RECEIVABLES - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	$ 20.2
Add: Charges	2.3	$ 1.9
Less: Net Charge-offs/ (Recoveries) and Other	(1.0)
Balance at End of Period	23.5
Trade accounts receivable
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	5.2
Add: Charges	2.2
Less: Net Charge-offs/ (Recoveries) and Other	(1.0)
Balance at End of Period	8.4
Trade notes receivable
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	0.0
Add: Charges	0.1
Less: Net Charge-offs/ (Recoveries) and Other	0.0
Balance at End of Period	0.1
Total trade receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	5.2
Add: Charges	2.3
Less: Net Charge-offs/ (Recoveries) and Other	(1.0)
Balance at End of Period	8.5
Other notes receivable
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	15.0
Add: Charges	0.0
Less: Net Charge-offs/ (Recoveries) and Other	0.0
Balance at End of Period	$ 15.0