SUBSEQUENT EVENTS (Details) In Millions, unless otherwise specified	1 Months Ended		1 Months Ended
	May 31, 2011	Sep. 30, 2012	Oct. 31, 2012 Financing [Member]
Subsequent Event [Line Items]
Number of shares by which repurchase authorization expanded	3.0		3.5
Number of shares authorized to be repurchased			32.2
Cumulative treasury stock repurchased		28.2	28.2