COMMON STOCK (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Treasury stock transactions [Abstract]
Number of shares of common stock repurchased (in shares)	1.2	4.2	7.2
Repurchase of common shares	$ 14.5	$ 44.0	$ 78.0
Value of authorized repurchases still available	$ 156.9