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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Inventories    
Raw materials and purchased parts $ 25,704 $ 23,415
Work-in-progress 239,895 251,933
Finished goods 91,875 102,085
Total inventories 357,474 377,433
Credit from reserved grant income $ 10,689