Restructuring And Other Charges (Schedule of Restructuring and Related Costs) (Details) (USD $)	12 Months Ended
	Oct. 26, 2013	Oct. 27, 2012
Restructuring
Restructuring and Related Cost, Caption that Includes Restructuring Charges	Restructuring and other costs (recoveries)
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	$ 2,582,000	$ 3,952,000
Restructuring and other charges	25,464,000
Cash payments	(9,551,000)	(1,334,000)
Non-cash charges	(1,069,000)
Other adjustments, net		(36,000)
Restructuring liabilities, Ending balance	17,426,000	2,582,000
Restructuring Reserve Ending Balance
Current restructuring liabilities	16,418,000	976,000
Non-current restructuring liabilities	1,008,000	1,606,000
Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring
Restructuring and Related Activities, Description	During the fiscal year ended October 26, 2013, the Company reevaluated its business model to restructure certain business operations, reorganize certain business units within the Company, and reduce the Company’s operating expense structure. The restructuring plan was approved by the Company’s management and communicated to the Company’s employees in September 2013. The plan included a workforce reduction of approximately 250 employees, primarily in the engineering, sales, and marketing organizations, as well as the cancellation of certain non-recurring engineering agreements and exit from certain leased facilities. In connection with the plan, the Company incurred aggregate charges of $25.5 million as of October 26, 2013, primarily related to severance and benefits charges. We expect to incur total charges of approximately $35.0 million, with future costs primarily related to lease loss reserve and related costs, by the expected completion of the plan by the end of the first quarter of 2014. Severance and benefits charges incurred during the quarter ended October 26, 2013, consisted of severance and related employee termination costs, including salary and other compensation payments to the employees during their post-notification retention period, as well as outplacement services, associated with the reduction of the Company’s workforce. The post-notification retention period for the employees terminated under the plan did not exceed the legal notification period, or in the absence of a legal notification requirement, 60 days. Contract terminations and other charges were primarily related to the cancellation of certain contracts in connection with the restructuring of certain business functions. Lease loss reserve and related costs were primarily related to the loss on cancellation of the right of first offer to purchase an unimproved parcel. The Company reevaluates its estimates and assumptions on a quarterly basis and makes adjustments to the restructuring liabilities balance if necessary. No material changes in estimates were made to the fiscal 2013 fourth quarter restructuring plan accrual. The Company expects to pay or otherwise substantially settle the remaining accrued liabilities during the next fiscal year. The above restructuring and other related charges are included in “Restructuring and other costs (recoveries)” on the Consolidated Statements of Income.
Restructuring and Related Activities, Initiation Date	Sep. 04, 2013
Restructuring and Related Activities, Authorized Approval	The restructuring plan was approved by the Company’s management and communicated to the Company’s employees in September 2013.
Restructuring and Related Activities, Expected Completion Date	Jan. 25, 2014
Restructuring and Related Cost, Description	Severance and benefits charges incurred during the quarter ended October 26, 2013, consisted of severance and related employee termination costs, including salary and other compensation payments to the employees during their post-notification retention period, as well as outplacement services, associated with the reduction of the Company’s workforce. The post-notification retention period for the employees terminated under the plan did not exceed the legal notification period, or in the absence of a legal notification requirement, 60 days. Contract terminations and other charges were primarily related to the cancellation of certain contracts in connection with the restructuring of certain business functions. Lease loss reserve and related costs were primarily related to the loss on cancellation of the right of first offer to purchase an unimproved parcel.
Restructuring and Related Cost, Expected Cost	35,000,000
Restructuring and Related Cost, Cost Incurred to Date	25,500,000
Restructuring and Related Cost, Expected Number of Positions Eliminated	250
Prior Restructuring Plans
Restructuring
Restructuring and Related Activities, Description	During the fiscal years prior to fiscal year 2013, the Company recorded charges related to estimated facilities lease losses, net of expected sublease income, due to consolidation of real estate space as a result of acquisitions. Cash payments for facilities that are part of the Company’s lease loss reserve are expected to be paid over the respective lease terms through fiscal year 2017.
Restructuring and Related Activities, Expected Completion Date	Oct. 28, 2017
Restructuring and Related Cost, Description	During the fiscal years prior to fiscal year 2013, the Company recorded charges related to estimated facilities lease losses, net of expected sublease income, due to consolidation of real estate space as a result of acquisitions.
Severance and Benefits | Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	0	0
Restructuring and other charges	20,413,000
Cash payments	(5,197,000)	0
Non-cash charges	0
Other adjustments, net		0
Restructuring liabilities, Ending balance	15,216,000	0
Restructuring Reserve Ending Balance
Current restructuring liabilities	15,216,000
Non-current restructuring liabilities	0
Contract Terminations and Other | Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	0	0
Restructuring and other charges	3,981,000
Cash payments	(3,565,000)	0
Non-cash charges	0
Other adjustments, net		0
Restructuring liabilities, Ending balance	416,000	0
Restructuring Reserve Ending Balance
Current restructuring liabilities	416,000
Non-current restructuring liabilities	0
Lease Loss Reserve and Related Costs | Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	0	0
Restructuring and other charges	1,070,000
Cash payments	(1,000)	0
Non-cash charges	(1,069,000)
Other adjustments, net		0
Restructuring liabilities, Ending balance	0	0
Restructuring Reserve Ending Balance
Current restructuring liabilities	0
Non-current restructuring liabilities	0
Lease Loss Reserve and Related Costs | Prior Restructuring Plans
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	2,582,000	3,952,000
Restructuring and other charges	0
Cash payments	(788,000)	(1,334,000)
Non-cash charges	0
Other adjustments, net		(36,000)
Restructuring liabilities, Ending balance	1,794,000	2,582,000
Restructuring Reserve Ending Balance
Current restructuring liabilities	786,000
Non-current restructuring liabilities	$ 1,008,000