Prepaid Expenses and Other (Details) (USD $)	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Oct. 31, 2013
Prepaid expenses and other
Prepaid VAT and other taxes	$ 102,886,000		$ 101,072,000
Deferred deployment expense	22,684,000		23,190,000
Product demonstration equipment, net	33,622,000		33,382,000
Prepaid expenses	15,927,000		16,963,000
Other non-trade receivables	13,677,000		11,996,000
Restricted cash	52,000		52,000
Prepaid expenses and other	188,848,000		186,655,000
Depreciation of product demonstration equipment	$ 2,000,000	$ 1,800,000