v2.4.0.6
DERIVATIVES AND HEDGING ACTIVITIES (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]      
Beginning balance $ 0 $ (7,277,000) $ (7,277,000)
Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax 0 1,989,000 7,277,000
Ending balance 0   0
Current Liabilities [Member] | Designated as Hedging Instrument [Member]
     
Derivatives, Fair Value [Line Items]      
Derivative Liability, Fair Value, Gross Liability (558,000)   (1,346,000)
Other Long Term Liabilities [Member] | Designated as Hedging Instrument [Member]
     
Derivatives, Fair Value [Line Items]      
Derivative Liability, Fair Value, Gross Liability 0   0
Interest Rate Contract [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of gain (loss) recognized in other comprehensive income ("OCI") 0 1,989,000  
Interest Expense [Member] | Interest Rate Contract [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of gain (loss) reclassified from OCI to statement of operations 0 0  
Amount of gain (loss) in statement of operations due to ineffectiveness 788,000 0  
Swap Expiring September 2011 [Member]
     
Derivative Instrument and Hedging Activities [Line Items]      
Aggregate notional amounts expired 125,000,000    
Effective date Mar. 28, 2008    
Derivative Fixed Libor Rate 2.91%    
Swap Expiring May 2012 [Member]
     
Derivative Instrument and Hedging Activities [Line Items]      
Aggregate notional amounts outstanding 100,000,000    
Effective date May 28, 2008    
Derivative Fixed Libor Rate 3.62%    
Swap Expiring January 2011 [Member]
     
Derivative Instrument and Hedging Activities [Line Items]      
Aggregate notional amounts expired 150,000,000    
Effective date Jan. 28, 2008    
Derivative Fixed Libor Rate 3.03%    
Collar Expiring February 2011 [Member]
     
Derivative Instrument and Hedging Activities [Line Items]      
Aggregate notional amounts expired $ 100,000,000    
Effective date Feb. 28, 2008    
Derivative, Cap Interest Rate 4.00%    
Derivative, Floor Interest Rate 2.14%