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

Revenues and loss before income taxes attributable to discontinued operations for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012, respectively, are as follows:

 

     Eight Months
Ended

December 31,
2014
     Fiscal Year Ended April 30,  
        2014      2013      2012  

Revenues

   $ —         $     3,316       $     12,033       $     12,865   

Income (loss) before income taxes

   $ —         $ 284       $ (4,480    $ (1,025