Inventories (Tables)

3 Months Ended

Jan. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	January 31, 2018		October 31, 2017
Raw materials	$	25,467	$	23,389
Work-in-process	18,693		18,653
Finished goods	20,570		19,770
Total inventory	$	64,730	$	61,812