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REDEEMABLE NONCONTROLLING INTERESTS (Tables)
 9 Months Ended
Jan. 31, 2016
REDEEMABLE NONCONTROLLING INTERESTS [Abstract]  
Redeemable Noncontrolling Interest
As of January 31, 2016, the estimated redemption value of the redeemable noncontrolling interests was $7.2 million. Below is a table reflecting the activity of the redeemable noncontrolling interests.

  
(in thousands)
 
Balance at April 30, 2015
 
$
6,368
 
Contributions
  
1,120
 
Net loss
  
(244
)
Balance at January 31, 2016
 
$
7,244