The number of the largest accounts receivable balances collectively representing a concentration of credit risk.

No definition available.

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- Definition

Represents the number of institution designed to limit exposure as per entity's policy.

+ References

No definition available.

+ Details

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- Definition

Threshold percentage which the entity uses for disclosure.

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611

+ Details

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Summary of Significant Accounting Policies (Details) (USD $) In Billions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012 institution	Oct. 31, 2011	Oct. 31, 2010
Summary of Significant Accounting Policies
Advertising cost	$ 1.0	$ 1.2	$ 1.0
Number of institution designed to limit exposure as per entity's policy	1
Concentration Risk
Estimated useful life for purchased intangible assets	5 years
Minimum
Concentration Risk
Estimated useful life for purchased intangible assets	1 year
Maximum
Concentration Risk
Estimated useful life for purchased intangible assets	10 years
Accounts Receivable \| Major Customers
Concentration Risk
Number of largest distributor and reseller receivable balances	10
Concentration of credit risk, percentage with 10 largest distributor and reseller receivable balances	14.00%	14.00%
Maximum amount of accounts receivable from a single customer used as a disclosure threshold (as a percent)	10.00%