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Contract Assets
 3 Months Ended
Jun. 30, 2018
Contract Assets [Abstract]  
Contract Assets
7. Contract Assets

Contract assets (see Note 3) are comprised of the following:

  
June 30, 2018
  
March 31, 2018
 
Short-term contract assets
      
Cores expected to be returned by customers
 
$
16,542,000
  
$
15,614,000
 
         
Long-term contract assets
        
Remanufactured cores held at customers' locations
 
$
202,223,000
  
$
200,429,000
 
Long-term core inventory deposits
  
5,569,000
   
5,569,000
 
  
$
207,792,000
  
$
205,998,000
 
Total contract assets
 
$
224,334,000
  
$
221,612,000