ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 6.4	$ 3.0
Provisions charged	4.5	5.2
Write-offs, net of recoveries	(0.8)	(1.8)
Balance at end of period	$ 10.1	$ 6.4