Schedule II - Valuation and Qualifying Accounts and Reserves Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Valuation allowance for accounts receivable
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 676	$ 1,271	$ 790
Additions (Reductions) Charged to Costs and Expenses	416	32	493
Deductions	218	615	24
Foreign Currency Adjustment	10	(12)	12
Acquisitions	0	0	0
Balance at End of Year	884	676	1,271
Valuation allowance for inventory reserves
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	3,117	5,535	2,946
Additions (Reductions) Charged to Costs and Expenses	2,025	(173)	2,933
Deductions	593	1,965	384
Foreign Currency Adjustment	(604)	(280)	40
Acquisitions	0	0	0
Balance at End of Year	3,945	3,117	5,535
Valuation allowance for deferred tax assets
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	24,051	9,401	2,782
Additions (Reductions) Charged to Costs and Expenses	6,303	674	6,619
Deductions	0	0	0
Foreign Currency Adjustment	(132)	(278)	0
Acquisitions	0	14,254	0
Balance at End of Year	$ 30,222	$ 24,051	$ 9,401