Note 8 - Business Combinations (Details) - Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Aug. 31, 2014
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Goodwill	$ 279,421us-gaap_Goodwill	$ 285,608us-gaap_Goodwill
Data Content [Member] \| Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Amortizable Intangible Assets	3,408
Client Relationships [Member] \| Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Amortizable Intangible Assets	2,816
Software Technology [Member] \| Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Amortizable Intangible Assets	1,708
Trade Names [Member] \| Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Amortizable Intangible Assets	670
Non-Compete Agreements [Member] \| Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Amortizable Intangible Assets	147
Matrix Data Limited [Member]
Note 8 - Business Combinations (Details) - Purchase Price Allocation [Line Items]
Tangible assets acquired	7,459
Goodwill	25,531
Total assets acquired	41,739
Liabilities assumed	(9,941)
Net assets acquired	$ 31,798

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

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Amount of assets acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

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Amount of liabilities assumed at the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB

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