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INCENTIVE COMPENSATION (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 7.3
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 8 months 19 days
Incentive Compensation Plans [Member]
 
Accrued Incentive STIP $ 4.5
Common Stock, Capital Shares Reserved for Future Issuance 6.6