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Inventory
3 Months Ended
Jun. 30, 2022
Inventory [Abstract]  
Inventory
4. Inventory

Inventory is comprised of the following:

 
 
June 30, 2022
   
March 31, 2022
 
Inventory
           
Raw materials
 
$
146,775,000
   
$
150,414,000
 
Work-in-process
   
6,357,000
     
6,880,000
 
Finished goods
   
248,332,000
     
226,729,000
 
 
   
401,464,000
     
384,023,000
 
Less allowance for excess and obsolete inventory
   
(12,704,000
)
   
(13,520,000
)
Inventory — net
   
388,760,000
     
370,503,000
 
Inventory unreturned
   
16,445,000
     
15,001,000
 
Total inventory
 
$
405,205,000
   
$
385,504,000