Restructuring and Other Costs (Schedule of Restructuring Reserve) (Details) $ in Thousands	6 Months Ended
Apr. 30, 2016 USD ($)
Restructuring
Initial Period in which Effects are Expected to be Realized	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 2021.
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	$ 2,329
Restructuring Charges	(566)
Cash payments	(465)
Translation adjustment	(4)
Restructuring liabilities, Ending balance	1,294
Restructuring Reserve Ending Balance
Current restructuring liabilities	718
Non-current restructuring liabilities	$ 576
Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring
Restructuring and Related Activities, Description	During the fiscal year ended October 26, 2013, and the first quarter of fiscal year 2014, the Company restructured certain business operations and reduced the Company’s operating expense structure. The restructuring plan included a workforce reduction, as well as the cancellation of certain non-recurring engineering agreements and exits from certain leased facilities. The restructuring plan was substantially completed in the first quarter of fiscal year 2014.
Restructuring Reserve, Adjustment Description	The Company reevaluates its estimates and assumptions on a quarterly basis and makes adjustments to the restructuring liabilities balance if necessary. During the six months ended April 30, 2016, the Company reversed $0.6 million of charges related to estimated facilities lease losses due to a change in lease terms for a certain facility.
Other Restructuring Plans [Member]
Restructuring
Restructuring and Related Activities, Description	The Company also 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	$ 110
Restructuring Charges	0
Cash payments	0
Translation adjustment	2
Restructuring liabilities, Ending balance	112
Restructuring Reserve Ending Balance
Current restructuring liabilities	112
Non-current restructuring liabilities	0
Lease Loss Reserve and Related Costs \| Fiscal 2013 Fourth Quarter Restructuring Plan
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	1,811
Restructuring Charges	(566)
Cash payments	(285)
Translation adjustment	(6)
Restructuring liabilities, Ending balance	954
Restructuring Reserve Ending Balance
Current restructuring liabilities	378
Non-current restructuring liabilities	576
Lease Loss Reserve and Related Costs \| Other Restructuring Plans [Member]
Restructuring Reserve Rollforward
Restructuring liabilities, Beginning balance	408
Restructuring Charges	0
Cash payments	(180)
Translation adjustment	0
Restructuring liabilities, Ending balance	228
Restructuring Reserve Ending Balance
Current restructuring liabilities	228
Non-current restructuring liabilities	$ 0

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