SEGMENTS AND ENTITY WIDE DISCLOSURES (Details Textual) - USD ($) $ in Thousands		Apr. 30, 2016	Oct. 31, 2015
Segment Reporting [Abstract]
Equipment, furniture and fixtures, net		$ 248,649	$ 191,973
Segment Reporting Information [Line Items]
Other intangible assets, net	[1]	180,515
Maintenance spares, net		54,441	$ 55,259
Networking Platforms
Segment Reporting Information [Line Items]
Other intangible assets, net		100,700
Software and Software-Related Services
Segment Reporting Information [Line Items]
Other intangible assets, net		$ 84,200

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