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Divestiture and Discontinued Operations (Tables)
9 Months Ended
Jan. 31, 2014
Discontinued Operations And Disposal Groups [Abstract]  
Schedule of Revenues and Loss Before Income Taxes Attributable to Discontinued Operations

the disposition. Revenues and (loss) income before income taxes attributable to discontinued operations for the three and nine months ended January 31, 2014 and 2013, respectively, are as follows:

 

     Three Months Ended
January 31,
    Nine Months Ended
January 31,
 
     2014      2013     2014      2013  

Revenues

   $ —         $ 2,835      $ 3,316       $ 9,890   

(Loss) income before income taxes

   $ —         $ (328   $ 284       $ (779