Restructuring Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Activity and balance of the restructuring liability accounts
Balance at beginning of period	$ 1,315us-gaap_RestructuringReserve	$ 2,016us-gaap_RestructuringReserve
Additional liability recorded	8,085us-gaap_RestructuringCharges	115us-gaap_RestructuringCharges
Cash payments	(4,974)us-gaap_PaymentsForRestructuring	(213)us-gaap_PaymentsForRestructuring
Balance at end of period	4,426us-gaap_RestructuringReserve	1,918us-gaap_RestructuringReserve
Current restructuring liabilities	3,940us-gaap_RestructuringReserveCurrent	679us-gaap_RestructuringReserveCurrent
Non-current restructuring liabilities	486us-gaap_RestructuringReserveNoncurrent	1,239us-gaap_RestructuringReserveNoncurrent
Workforce reduction
Activity and balance of the restructuring liability accounts
Balance at beginning of period	181	80
Additional liability recorded	8,081	106
Cash payments	(4,768)	(136)
Balance at end of period	3,494	50
Current restructuring liabilities	3,494	50
Non-current restructuring liabilities	0	0
Workforce deduction	125
Consolidation of excess facilities
Activity and balance of the restructuring liability accounts
Balance at beginning of period	1,134	1,936
Additional liability recorded	4	9
Cash payments	(206)	(77)
Balance at end of period	932	1,868
Current restructuring liabilities	446	629
Non-current restructuring liabilities	$ 486	$ 1,239

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

The number of positions eliminated during the period as a result of restructuring activities.

+ References

No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 4

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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