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Business Combinations (Details) (Mirth [Member], USD $)
In Thousands, unless otherwise specified
0 Months Ended 6 Months Ended
Sep. 09, 2013
Sep. 30, 2013
Sep. 30, 2012
Mirth [Member]
     
Business Acquisition [Line Items]      
Cash paid $ 34,802 $ 34,802 $ 0
Common stock issued at fair value 7,882 7,882  
Contingent consideration 13,307 13,307  
Total purchase price $ 55,991