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Contract Assets (Tables)
9 Months Ended
Dec. 31, 2018
Contract Assets [Abstract]  
Contract Assets
Contract assets (see Note 4) are comprised of the following:

  
December 31, 2018
  
March 31, 2018
 
Short-term contract assets
  
(As Adjusted)
 
Cores expected to be returned by customers
 
$
19,585,000
  
$
15,614,000
 
Upfront payments to customers
  
3,228,000
   
3,979,000
 
Core premiums paid to customers
  
4,152,000
   
3,613,000
 
  
$
26,965,000
  
$
23,206,000
 
Long-term contract assets
 
Remanufactured cores held at customers’ locations
 
$
198,348,000
  
$
197,067,000
 
Upfront payments to customers
  
3,330,000
   
5,492,000
 
Core premiums paid to customers
  
15,752,000
   
14,603,000
 
Long-term core inventory deposits
  
5,569,000
   
5,569,000
 
  
$
222,999,000
  
$
222,731,000
 
Total contract assets
 
$
249,964,000
  
$
245,937,000