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STOCK-BASED COMPENSATION Options(Details) (Stock Options [Member], USD $)
6 Months Ended 6 Months Ended
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2011
DELAWARE
Jun. 30, 2010
DELAWARE
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Operating Loss Carryfoward Exercise Stock Options     $ 5,700,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2,954,187 2,539,062    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 33.09 $ 35.44    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 4.95 4.95    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 1,519 2,189    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 540,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 22.36      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (23,625)      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 10.23      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (101,250)      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price $ 39.99      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 2,357,334      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price $ 35.65      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 4.37      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 1,519      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,749,310      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 38.16      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3.70      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 1,519      
Tax Benefit from Stock Options Exercised     0 200,000
Deferred Income Taxes and Tax Credits     0 100,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 11,900,000      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1.4