Stock-Based Compensation (Schedule Of Equity Compensation Plans) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	Oct. 29, 2011
Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants and Rights	50,765
Weighted-Average Exercise Price of Outstanding Options, Warrants and Rights	$ 4.91
Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans	26,468
Equity Compensation Plans Approved By Stockholders [Member]
Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants and Rights	38,244	[1],[2]
Weighted-Average Exercise Price of Outstanding Options, Warrants and Rights	$ 5.14	[1]
Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans	26,468	[1],[3]
Equity Compensation Plans Not Approved By Stockholders [Member]
Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants and Rights	12,521	[4],[5]
Weighted-Average Exercise Price of Outstanding Options, Warrants and Rights	$ 4.21	[4]

[1] Primarily consist of the 2009 ESPP, the 2009 and 1999 Director Plans and the 2009 and 1999 Stock Plans.

[2] Amount excludes purchase rights accrued under the 2009 ESPP. As of October 29, 2011, the 2009 ESPP had a stockholder-approved reserve of 35.0 million shares, of which 18.7 million shares were available for future issuance.

[3] Amount consists of shares available for future issuance under the 2009 ESPP, the 2009 Director Plan and the 2009 Stock Plan.

[4] Consist solely of the 1999 NSO Plan described in Note 12, "Employee Compensation Plans," of the Notes to Consolidated Financial Statements and Foundry's 2000 NSO Plan, which was assumed in connection with our acquisition of Foundry.

[5] Substantially all shares were granted prior to the fiscal year ended October 25, 2003. Information relating to equity compensation plans is set forth in Note 12, "Employee Compensation Plans," of the Notes to Consolidated Financial Statements.