STOCK-BASED COMPENSATION (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended		3 Months Ended
	May 13, 2010 2010 Omnibus Incentive Plan	Mar. 31, 2014 2010 Omnibus Incentive Plan	May 13, 2010 2002 Stock Incentive and Bonus Plan and 2003 Non-Employee Directors' Stock Incentive Plan	Mar. 31, 2014 Restricted stock units	Mar. 31, 2013 Restricted stock units	Mar. 31, 2014 Restricted stock units 2010 Omnibus Incentive Plan
Stock-Based Compensation
Shares of common stock reserved for issuance	2.5	2.5
Shares of common stock authorized for issuance under the share-based compensation plan	2.0	1.5
Number of shares of available for future issuance			0.5
Plan expiration unless earlier terminated by the Board of Directors	10 years
Shares of common stock issued under the Plan		1.8
Granted (in shares)						0.3
Value of grants during the period						$ 9.3
Unrecognized stock-based compensation expense related to non-vested stock						18.3
Period over which unrecognized share-based compensation cost will be expensed						4 years
Stock-based compensation expense				$ 2.4	$ 1.7