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Inventories (Tables)
12 Months Ended
Oct. 31, 2017
Inventory Disclosure [Abstract]  
Components of Inventories

Inventories as of October 31, 2017 and 2016 consisted of the following (in thousands):

 

 

 

2017

 

 

2016

 

Raw materials

 

$

20,065

 

 

$

25,286

 

Work-in-process (1)

 

 

54,431

 

 

 

48,520

 

Inventories

 

$

74,496

 

 

$

73,806