Prepaid Expenses and Other (Details) (USD $)	6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Oct. 31, 2013
Prepaid expenses and other
Prepaid VAT and other taxes	$ 106,790,000		$ 101,072,000
Deferred deployment expense	25,123,000		23,190,000
Product demonstration equipment, net	43,184,000		33,382,000
Prepaid expenses	15,244,000		16,963,000
Embedded redemption feature	190,000		0
Other non-trade receivables	16,696,000		11,996,000
Restricted cash	52,000		52,000
Prepaid expenses and other	207,279,000		186,655,000
Depreciation of product demonstration equipment	$ 4,200,000	$ 3,500,000