Prepaid Expenses and Other (Details) (USD $)	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Prepaid expenses and other
Prepaid VAT and other taxes	$ 79,181,000		$ 86,464,000
Product demonstration equipment, net	44,661,000		42,385,000
Deferred deployment expense	24,229,000		27,991,000
Prepaid expenses	21,251,000		23,539,000
Other non-trade receivables	12,842,000		10,683,000
Derivative Asset, Current	654,000		1,562,000
Prepaid expenses and other	182,818,000		192,624,000
Depreciation of product demonstration equipment	$ 2,500,000	$ 2,000,000