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FAIR VALUE MEASUREMENTS (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment in Titan Europe Plc $ 28,998 $ 22,693
Investments for contractual obligations 12,395 11,168
Assets, Fair Value Disclosure 41,393 33,861
Fair Value, Inputs, Level 1 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment in Titan Europe Plc 28,998 22,693
Investments for contractual obligations 12,395 11,168
Assets, Fair Value Disclosure 41,393 33,861
Fair Value, Inputs, Level 2 and Level 3 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment in Titan Europe Plc 0 0
Investments for contractual obligations 0 0
Assets, Fair Value Disclosure $ 0 $ 0