SEGMENTS AND ENTITY WIDE DISCLOSURES (Details Textual) - USD ($) $ in Thousands		Jan. 31, 2017	Oct. 31, 2016
Segment Reporting Information [Line Items]
Equipment, building, furniture and fixtures, net		$ 293,150	$ 288,406
Other intangible assets, net	[1]	123,647
Maintenance spares, net		45,529	$ 49,535
Networking Platforms
Segment Reporting Information [Line Items]
Other intangible assets, net		54,200
Software and Software-Related Services
Segment Reporting Information [Line Items]
Other intangible assets, net		$ 73,600

[1] Does not include amortization of in-process research and development, as estimation of the timing of future amortization expense would be impractical.