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Inventories (Tables)
12 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Summary Of Net Inventories
 
 
March 31,
 
 
2020
 
2019
Raw materials
 
$
141,906

 
$
138,718

Work-in-process
 
91,520

 
129,736

Finished goods
 
286,034

 
235,415

Total
 
$
519,460

 
$
503,869