Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Revenue:
Products	$ 432,941	$ 353,057
Services	100,762	100,036
Total revenue	533,703	453,093
Cost of goods sold:
Products	245,216	196,521
Services	62,636	60,777
Total cost of goods sold	307,852	257,298
Gross profit	225,851	195,795
Operating expenses:
Research and development	101,497	89,125
Selling and marketing	78,348	66,588
General and administrative	30,097	28,208
Amortization of intangible assets	12,439	12,453
Restructuring costs	115	5,030
Total operating expenses	222,496	201,404
Income (loss) from operations	3,355	(5,609)
Interest and other income (loss), net	(5,998)	(137)
Interest expense	(11,028)	(10,732)
Loss on extinguishment of debt	0	(28,630)
Loss before income taxes	(13,671)	(45,108)
Provision for income taxes	2,265	2,216
Net loss	$ (15,936)	$ (47,324)
Basic net loss per common share (in dollars per share)	$ (0.15)	$ (0.47)
Diluted net loss per potential common share (in dollars per share)	$ (0.15)	$ (0.47)
Weighted average basic common shares outstanding (in shares)	104,501	101,204
Weighted average dilutive potential common shares outstanding (in shares)	104,501	101,204