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Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Statement of Other Comprehensive Income [Abstract]        
Net (loss) income $ (351) $ 6,933 $ (2,144) $ 705
Other comprehensive (loss) income, net of tax:        
Unrealized foreign currency translation adjustments 136 (114) 49 (27)
Unrealized loss on sale of securities 0 (245) (4) (255)
Total comprehensive (loss) income $ (215) $ 6,574 $ (2,099) $ 423