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Prepaid And Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Mar. 31, 2012
Prepaid And Other Current Assets [Abstract]    
Non-Trade Receivables $ 983 $ 3,922
Prepaid Expenses 3,094 4,707
Prepaid VAT and Other Taxes 16,784 18,273
Notes Receivable 1,674 4,526
Other Current Assets 29 16
Total $ 22,564 $ 31,444