Acquisitions Acquisitions (Details) - USD ($) $ in Thousands		8 Months Ended
	Mar. 01, 2018	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 27,376	$ 27,859	$ 27,490
Deferred income taxes	$ 0	(872)
Measurement Period Adjustments, Deferred income taxes		(872)
Brabant Italy Site Verres S.r.l. [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	2,792	2,759
Measurement Period Adjustments, Cash and Equivalents		(33)
Accounts receivable	22,719	22,775
Measurement Period Adjustments, Accounts Receivable		56
Inventory	10,603	10,876
Measurement Period Adjustments, Inventory		273
Other assets, net	2,026	3,414
Measurement Period Adjustments, Other assets, net		1,388
Property, plant and equipment	54,034	53,200
Measurement Period Adjustments, Property, Plant, and Equipment		(834)
Goodwill	408	0
Measurement Period Adjustments, Goodwill		(408)
Intangible assets	2,328	2,328
Measurement Period Adjustments, Intangible assets		0
Accounts payable and accrued expenses	(29,637)	(29,207)
Measurement Period Adjustments, Accounts Payable and accrued expenses		430
Net assets acquired	65,273	65,273
Consideration Transferred	65,273
Measurement Period Adjustments, Net assets acquired		$ 0
Consideration Transferred, Other	$ 62,514
Developed Technology Rights [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	13 years
Above Market Leases [Member] | Brabant Italy Site Verres S.r.l. [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Finite-lived Intangible Assets Acquired	$ 1,458