Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Revenue:
Products	$ 422,315	$ 432,941
Services	106,847	100,762
Total revenue	529,162	533,703
Cost of goods sold:
Products	236,548	245,216
Services	62,319	62,636
Total cost of goods sold	298,867	307,852
Gross profit	230,295	225,851
Operating expenses:
Research and development	100,761	101,497
Selling and marketing	76,712	78,348
General and administrative	29,553	30,097
Amortization of intangible assets	11,019	12,439
Restructuring costs	8,085	115
Total operating expenses	226,130	222,496
Income from operations	4,165	3,355
Interest and other income (loss), net	(8,233)	(5,998)
Interest expense	(13,661)	(11,028)
Loss before income taxes	(17,729)	(13,671)
Provision for income taxes	1,050	2,265
Net loss	$ (18,779)	$ (15,936)
Basic net income (loss) per common share (in dollars per share)	$ (0.17)	$ (0.15)
Diluted net income (loss) per potential common share (in dollars per share)	$ (0.17)	$ (0.15)
Basic weighted average shares outstanding	107,773	104,501
Dilutive weighted average shares outstanding	107,773	104,501