COMMON STOCK REPURCHASE (DETAILS) (Common Stock [Member], USD $) In Millions, except Share data	57 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011 June 2011 Stock Repurchase Program [Member]	Sep. 30, 2011 June 2011 Stock Repurchase Program [Member]	Sep. 30, 2011 June 2010/June 2011 Stock Repurchase Programs [Member]	Sep. 30, 2011 June 2010 Stock Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount			$ 50.0		$ 50.0
Treasury Stock, Shares, Acquired	8,100,000	518,500		1,030,300
Treasury Stock, Value, Acquired, Cost Method	$ 242.0	$ 30.4		$ 61.6
Treasury Stock Acquired, Average Cost Per Share	$ 30