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Derivative Instruments (Notes)
12 Months Ended
Mar. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Instruments and Hedging Activities Disclosure [Text Block]
DERIVATIVE INSTRUMENTS

The Company has international operations and is thus subject to foreign currency rate fluctuations.  To manage the risk of changes in foreign currency rates, the Company periodically enters into derivative contracts comprised of foreign currency forward contracts to hedge its asset and liability foreign currency exposure and a portion of its foreign currency operating expenses.  Approximately 99% of the Company's sales are U.S. Dollar denominated.  To date, the exposure related to foreign exchange rate volatility has not been material to the Company's operating results.  As of March 31, 2012 and 2011, the Company had no foreign currency derivatives outstanding.  The Company recognized an immaterial amount of net realized gains and losses on foreign currency derivatives in the years ended March 31, 2012, 2011 and 2010.