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Other Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Components of Other Assets    
Land use rights $ 11,076 $ 10,921
Tax incentives 8,593 11,724
Investment in unconsolidated subsidiary 0 24,398
Other 11,995 18,914
Total $ 31,664 $ 65,957