Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 26, 2013	Oct. 27, 2012	Oct. 29, 2011
Net revenues
Product	$ 1,870,567	$ 1,890,856	$ 1,789,814
Service	352,297	346,914	357,628
Total net revenues	2,222,864	2,237,770	2,147,442
Cost of revenues
Product	658,362	689,856	677,196
Service	155,623	164,895	186,712
Total cost of revenues	813,985	854,751	863,908
Gross margin	1,408,879	1,383,019	1,283,534
Operating expenses:
Research and development	378,521	363,090	354,401
Sales and marketing	567,637	608,502	608,513
General and administrative	74,518	74,583	69,506
Amortization of intangible assets	54,256	59,204	60,713
Restructuring and other costs (recoveries)	25,464	(89)	125
Loss on sale of subsidiary	0	0	12,756
Total operating expenses	1,100,396	1,105,290	1,106,014
Income from operations	308,483	277,729	177,520
Interest income	1,404	659	597
Other income (loss), net (Note 14)	75,835	(1,499)	(851)
Interest expense	(55,261)	(52,488)	(97,838)
Income before income tax	330,461	224,401	79,428
Income tax expense	121,838	29,220	28,818
Net income	$ 208,623	$ 195,181	$ 50,610
Net income per-share—basic	$ 0.46	$ 0.43	$ 0.11
Net income per-share—diluted	$ 0.45	$ 0.41	$ 0.10
Shares used in per-share calculation—basic	450,516	456,629	474,259
Shares used in per-share calculation—diluted	463,705	472,343	497,030