Note 8. Business Combinations (Detail) - Purchase Price Allocation of StreetAccount Acquisition (StreetAccount [Member], USD $) In Thousands, unless otherwise specified	Feb. 28, 2013
Tangible assets acquired	$ 3,584
Goodwill	21,997
Total assets acquired	31,938
Liabilities assumed	(5,620)
Net assets acquired	26,318
Client Relationships [Member]
Amortizable Intangible Assets	2,822
Software Technology [Member]
Amortizable Intangible Assets	2,332
Data Content [Member]
Amortizable Intangible Assets	613
Non-Compete Agreements [Member]
Amortizable Intangible Assets	404
Trade Names [Member]
Amortizable Intangible Assets	$ 186

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

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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

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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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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-Publisher FASB

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

+ References

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.

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

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No definition available.

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