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EQUITY IN NET ASSETS OF NON-CONSOLIDATED INVESTEES - Components (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Equity Method Investments and Joint Ventures [Abstract]    
Cost $ 28,868 $ 24,715
Equity in net earnings of investees (6,339) (4,439)
Equity in net assets of non-consolidated investees $ 22,529 $ 20,276