Inventories (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2018	Oct. 31, 2017
Inventories
Raw materials				$ 67,468	$ 52,898
Work-in-process				9,589	18,623
Finished goods				188,575	185,488
Deferred cost of goods sold				48,057	61,340
Inventories before provision				313,689	318,349
Provision for excess and obsolescence	$ (51,206)	$ (62,503)	$ (53,001)	(50,938)	(51,206)
Total inventories				$ 262,751	$ 267,143
Reserve for excess and obsolete inventory [Roll Forward]
Valuation allowance, beginning balance	51,206	62,503	53,001
Provisions	30,615	35,459	33,713
Disposals	30,883	46,756	24,211
Valuation allowance, ending balance	$ 50,938	$ 51,206	$ 62,503