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Inventories (Tables)
 6 Months Ended
Apr. 30, 2018
Inventory Disclosure [Abstract]  
Components of Inventories

Inventories as of April 30, 2018 and October 31, 2017 consisted of the following:

 

 

 

April 30,

 

 

October 31,

 

 

 

2018

 

 

2017

 

Raw materials

 

$

19,355

 

 

$

20,065

 

Work-in-process (1)

 

 

35,900

 

 

 

54,431

 

Inventories

 

$

55,255

 

 

$

74,496

 

 

(1)

Work-in-process includes the standard components of inventory used to build the typical modules or module components that are intended to be used in future power plant orders or to service our service agreements.  Included in work-in-process as of April 30, 2018 and October 31, 2017 was $29.3 million and $46.3 million, respectively, of completed standard components.