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Inventories
6 Months Ended
Apr. 30, 2017
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
Inventories
Inventories consist of the following:
 
April 30, 2017
 
October 31, 2016
Raw materials
$
24,532

 
$
26,367

Work-in-process
16,822

 
16,149

Finished goods
18,599

 
18,031

Total inventory
$
59,953

 
$
60,547



Total cost of inventory is net of reserves to reduce certain inventory from cost to net realizable value by an allowance for excess and obsolete inventories based on management’s review of on-hand inventories compared to historical and estimated future sales and usage. Such reserves aggregated $3,930 and $2,946 at April 30, 2017 and October 31, 2016, respectively.