RESTRUCTURING (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013 employee	Dec. 31, 2012
Restructuring and Related Activities [Abstract]
Restructuring and related cost, number of positions eliminated	100
Restructuring and related cost, expected cost	$ 6.3
Restructuring and related cost, incurred cost	4.5	1.8
Restructuring and related cost, unpaid balance	0.1
Additional restructuring costs expected to be incurred	$ 0