Inventories (Tables)

9 Months Ended

Jul. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	July 31, 2018		October 31, 2017
Raw materials	$	29,074	$	23,389
Work-in-process	22,823		18,653
Finished goods	23,218		19,770
Total inventory	$	75,115	$	61,812