Inventories (Tables)

9 Months Ended

Jul. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	July 31, 2017		October 31, 2016
Raw materials	$	25,341	$	26,367
Work-in-process	17,165		16,149
Finished goods	19,728		18,031
Total inventory	$	62,234	$	60,547