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Inventories (Tables)
 3 Months Ended
May 31, 2018
Inventory Disclosure [Abstract]  
Components of Inventories

The following table summarizes the components of inventories at the different stages of production as of the dates indicated (in thousands):

 

 

 

May 31,

 

 

February 28,

 

 

 

2018

 

 

2018

 

Raw material

 

$

19,264

 

 

$

15,854

 

Work-in-process

 

 

3,381

 

 

 

3,114

 

Finished goods

 

 

8,326

 

 

 

7,512

 

 

 

$

30,971

 

 

$

26,480