v2.3.0.15
FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Derivatives  
Interest rate contracts$ 1,425$ 2,338
Recurring basis | Total
  
Derivatives  
Interest rate contracts(1,425) 
Investments  
Available-for-sale securities1,994 
Recurring basis | Significant Observable Inputs (Level 2)
  
Derivatives  
Interest rate contracts(1,425) 
Investments  
Available-for-sale securities$ 1,994