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Inventory (Tables)
9 Months Ended
Dec. 29, 2018
Inventory, Net [Abstract]  
Schedule of inventory

Inventories are stated at the lower of cost or net realizable value, using the first-in, first-out method, and are summarized below: 

 

   

December 29,

2018

   

March 31,

2018

 
Raw materials   $ 47,260     $ 44,102  
Work in process     89,266       77,890  
Finished goods     192,970       184,132  
    $ 329,496     $ 306,124