Prepaid Expenses and Other (Tables)
 12 Months Ended
Oct. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid expenses and other
As of the dates indicated, prepaid expenses and other are comprised of the following (in thousands):

 
October 31,
 
2011
 
2012
Prepaid VAT and other taxes
$
44,969

 
$
37,806

Deferred deployment expense
17,839

 
19,449

Product demonstration equipment, net
46,996

 
33,144

Prepaid expenses
14,769

 
16,477

Restricted cash
12,533

 
2,030

Other non-trade receivables
6,251

 
8,689

 
$
143,357

 
$
117,595