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

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 35

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

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

+ References

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

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 01-3

-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.

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- Definition

Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 38

-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.

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

-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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 53

-Subparagraph d

-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.

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- Definition

The amount of acquisition cost of a business combination allocated to net tangible assets.

+ References

No definition available.

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Acquisitions Summary of Fair Value of Assets Acquired and Liabilities Assumed by Major Class (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Jun. 07, 2012	Oct. 31, 2012 Other Acquistions [Member]	Oct. 31, 2012 Other Acquistions [Member] Developed Technology Rights [Member]	Oct. 31, 2012 Other Acquistions [Member] Customer Relationships [Member]	Oct. 31, 2012 Other Acquistions [Member] Trade Names [Member]	Oct. 31, 2012 Other Acquistions [Member] Customer Lists [Member]	Oct. 31, 2012 Other Acquistions [Member] Patents [Member]	Jun. 07, 2012 Vela Systems [Member]	Jun. 07, 2012 Vela Systems [Member] Developed Technology Rights [Member]	Jun. 07, 2012 Vela Systems [Member] Customer Relationships [Member]	Jun. 07, 2012 Vela Systems [Member] Trade Names [Member]	Jun. 07, 2012 Vela Systems [Member] Customer Lists [Member]	Jun. 07, 2012 Vela Systems [Member] Patents [Member]	Aug. 02, 2012 Socialcam [Member]	Aug. 02, 2012 Socialcam [Member] Developed Technology Rights [Member]	Aug. 02, 2012 Socialcam [Member] Customer Relationships [Member]	Aug. 02, 2012 Socialcam [Member] Trade Names [Member]	Aug. 02, 2012 Socialcam [Member] Customer Lists [Member]	Aug. 02, 2012 Socialcam [Member] Patents [Member]	Oct. 04, 2012 Qontext [Member]	Oct. 04, 2012 Qontext [Member] Developed Technology Rights [Member]	Oct. 04, 2012 Qontext [Member] Customer Relationships [Member]	Oct. 04, 2012 Qontext [Member] Trade Names [Member]	Oct. 04, 2012 Qontext [Member] Customer Lists [Member]	Oct. 04, 2012 Qontext [Member] Patents [Member]
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets				$ 10.9	$ 1.5	$ 1.5	$ 0	$ 0		$ 5.9	$ 3.6	$ 2.6	$ 0	$ 0		$ 1.9	$ 0	$ 5.3	$ 22.3	$ 0		$ 2.0	$ 0	$ 0	$ 0	$ 0
Business Acquisition, Purchase Price Allocation, Goodwill Amount			38.3						57.6						23.0						24.0
Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue			0						(2.0)						0						0
Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent			0						3.9						(9.4)						0
Business Acquisition, Purchase Price Allocation, Net Tangible Assets			0						4.4						(0.2)						0
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	$ 52.2	$ 76.0													$ 42.9						$ 26.0