SEGMENTS AND ENTITY WIDE DISCLOSURES (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Revenue:
Revenue	$ 573,115	$ 529,162
Segment profit (loss) and the reconciliation to consolidated net income (loss)
Segment profit	143,404	129,534
Less: Non-performance operating expenses
Selling and marketing	82,478	76,712
General and administrative	31,142	29,553
Acquisition and integration costs	1,299	0
Amortization of intangible assets	16,862	11,019
Restructuring costs	384	8,085
Add: Other non-performance financial items
Interest expense and other income (loss), net	(21,486)	(21,894)
Less: Provision for income taxes	1,299	1,050
Net loss	(11,546)	(18,779)
Networking Platforms
Revenue:
Revenue	449,510	413,882
Segment profit (loss) and the reconciliation to consolidated net income (loss)
Segment profit	106,982	95,074
Software and Software-Related Services
Revenue:
Revenue	25,426	23,528
Segment profit (loss) and the reconciliation to consolidated net income (loss)
Segment profit	(3,574)	2,588
Global Services
Revenue:
Revenue	98,179	91,752
Segment profit (loss) and the reconciliation to consolidated net income (loss)
Segment profit	$ 39,996	$ 31,872