Business Combinations (Details) (MEN Business [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2010	Oct. 31, 2009
Estimated fair value of the acquired assets and assumed liabilities
Unbilled receivables	$ 7,136
Inventories	146,272
Prepaid expenses and other	32,517
Other long-term assets	21,924
Equipment, furniture and fixtures	41,213
Deferred revenue	(28,086)
Accrued liabilities	(33,845)
Other long-term obligations	(2,644)
Total purchase price allocation	676,853
Pro forma of financial information
Pro forma revenue	1,592,911	1,704,037
Pro forma net loss	(536,253)	(1,008,894)
In-Process Research And Development [Member]
Estimated fair value of the acquired assets and assumed liabilities
In-process research and development	11,000
Developed Technology Rights [Member]
Estimated fair value of the acquired assets and assumed liabilities
Amortizable intangible assets	218,774
Customer Relationships, Outstanding Purchase Orders And Contracts [Member]
Estimated fair value of the acquired assets and assumed liabilities
Amortizable intangible assets	260,592
Trade Names [Member]
Estimated fair value of the acquired assets and assumed liabilities
Amortizable intangible assets	$ 2,000

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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The amount of acquisition cost of a business combination allocated to inventory, including finished goods, work-in-process, and raw materials.

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The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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The amount of acquisition cost of a business combination allocated to receivables.

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The amount of acquisition cost of a business combination allocated to accrued expenses of the acquired entity.

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The amount of acquisition cost of a business combination allocated to deferred revenue of the acquired entity.

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 01-3

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.

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The amount of acquisition cost of a business combination allocated to noncurrent assets of the acquired entity, except for property plant and equipment, intangible assets, and goodwill.

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-Publisher FASB

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The amount of acquisition cost of a business combination allocated to other noncurrent liabilities of the acquired entity.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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-Publisher FASB

-Name Accounting Standards Codification

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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