ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Allowance for Doubtful Accounts [Roll Forward]
Balance at beginning of year			$ 3.6	$ 3.2
Provisions charged	(0.2)	(0.4)	0.2	0.6
Write-offs, net of recoveries			(0.1)	(0.1)
Balance at end of period	$ 3.7	$ 3.7	$ 3.7	$ 3.7