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

+ References

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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.

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- Definition

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

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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.

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- Definition

Gross amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets.

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No definition available.

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Gross amount of acquisition cost of a business combination allocated to noncurrent deferred tax liabilities.

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No definition available.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

-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

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- Definition

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

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No definition available.

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- Definition

Amount of acquisition cost of a business combination allocated to other liabilities not separately disclosed in the balance sheet.

+ References

No definition available.

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- Definition

Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.

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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 Emerging Issues Task Force (EITF)

-Number 98-1

-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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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

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

+ References

No definition available.

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Schedule of Fair Values of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013 2Catalyze, Inc.	Jan. 31, 2013 2Catalyze, Inc. Developed Technology	Aug. 13, 2012 Buddy Media, Inc.	Aug. 13, 2012 Buddy Media, Inc. Developed Technology	Sep. 04, 2012 GoInstant, Inc.	Sep. 04, 2012 GoInstant, Inc. Developed Technology	Jan. 31, 2013 Radian6 Technologies, Inc.	May 31, 2011 Radian6 Technologies, Inc.	May 31, 2011 Radian6 Technologies, Inc. Developed Technology	Sep. 20, 2011 Assistly, Inc.	Sep. 20, 2011 Assistly, Inc. Developed Technology	Dec. 16, 2011 Model Metrics
Business Acquisition [Line Items]
Current assets			$ 35,609
Tangible assets							12,364
Net tangible assets	758				473					1,563		6,556
Other noncurrent assets			3,424
Deferred tax liability	(1,671)									(3,286)
Deferred tax asset												636
Current and noncurrent liabilities			(16,437)		(1,771)		(12,757)
Deferred revenue			(3,281)				(680)
Deferred tax liability			(2,436)				(27,306)
Customer relationships	5,970	4,970	78,340	65,210		6,560	103,000	103,000	84,200	14,360	13,960	3,050
Goodwill	45,579		640,534		45,295		262,027			46,038		56,502
Net assets acquired	$ 50,636		$ 735,753		$ 50,557		$ 336,648			$ 58,675		$ 66,744