Inventories (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Inventories
Raw materials	$ 64,853	$ 53,274
Work-in-process	8,371	7,773
Finished goods	165,799	153,855
Deferred cost of goods sold	75,763	75,764
Inventories before provision	314,786	290,666
Provision for excess and obsolescence	(60,126)	(41,563)	(40,010)
Total inventories	254,660	249,103
Reserve for excess and obsolete inventory [Roll Forward]
Valuation allowance, beginning balance	41,563	40,010	31,771
Provisions	32,332	19,938	23,438
Disposals	13,769	18,385	15,199
Valuation allowance, ending balance	$ 60,126	$ 41,563	$ 40,010