ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Allowance for Doubtful Accounts [Roll Forward]
Balance at beginning of year	$ 3.0	$ 3.4
Provisions charged	0.2	0.3
Write-offs, net of recoveries	(0.1)	0
Balance at end of period	$ 3.1	$ 3.7