STOCK-BASED COMPENSATION (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended			9 Months Ended	12 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	May 13, 2010	Sep. 30, 2012 2010 Omnibus Incentive Plan	Dec. 31, 2010 2010 Omnibus Incentive Plan	May 13, 2010 2010 Omnibus Incentive Plan	May 13, 2010 2002 Stock Incentive and Bonus Plan and 2003 Non-Employee Directors' Stock Incentive Plan	Sep. 30, 2012 Restricted stock
Stock Based Compensation
Shares of common stock authorized for issuance under the share-based compensation plan	2,500,000		2,500,000			2,000,000	500,000
Shares of common stock authorized for issuance pursuant to the exercise of incentive stock options			1,500,000
Plan expiration unless earlier terminated by the Board of Directors					10 years
Shares of common stock issued under the Plan				1,145,000
Shares of restricted stock issued under the plan				532,000
Value of grants during the period				$ 11.0
Unrecognized share-based compensation cost related to unvested stock								14.2
Period over which unrecognized share-based compensation cost will be expensed								4 years
Share- based compensation cost	$ 6.1	$ 6.0