CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Revenue:
Products	$ 457,589	$ 422,315
Services	115,526	106,847
Total revenue	573,115	529,162
Cost of goods sold:
Products	260,482	236,548
Services	61,183	62,319
Total cost of goods sold	321,665	298,867
Gross profit	251,450	230,295
Operating expenses:
Research and development	108,046	100,761
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
Total operating expenses	240,211	226,130
Income from operations	11,239	4,165
Interest and other income (loss), net	(8,776)	(8,233)
Interest expense	(12,710)	(13,661)
Loss before income taxes	(10,247)	(17,729)
Provision for income taxes	1,299	1,050
Net loss	$ (11,546)	$ (18,779)
Basic net income (loss) per common share (in dollars per share)	$ (0.08)	$ (0.17)
Diluted net income (loss) per potential common share (in dollars per share)	$ (0.08)	$ (0.17)
Basic weighted average shares outstanding	136,675	107,773
Dilutive weighted average shares outstanding	136,675	107,773