Inventories (Tables)

12 Months Ended

Oct. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories

Inventories consist of the following:

	October 31,
	2017		2016
Raw materials	$	23,389	$	26,367
Work-in-process	18,653		16,149
Finished goods	19,770		18,031
Total inventories	$	61,812	$	60,547