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Inventories (Tables)
3 Months Ended
Jul. 31, 2018
Inventory Disclosure [Abstract]  
Summary of Inventories

The following table sets forth a summary of inventories, net of reserves, stated at lower of cost or net realizable value, as of July 31, 2018 and April 30, 2018 (in thousands):

 

 

 

July 31, 2018

 

 

April 30, 2018

 

Finished goods

 

$

107,916

 

 

$

91,480

 

Finished parts

 

 

39,577

 

 

 

42,075

 

Work in process

 

 

6,107

 

 

 

7,657

 

Raw material

 

 

13,291

 

 

 

12,141

 

Total inventories

 

$

166,891

 

 

$

153,353