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Acquisitions (Narrative)(Details) (USD $) In Millions, unless otherwise specified | Aug. 31, 2011 | Aug. 26, 2011 IRZ Consulting, LLC [Member] | Nov. 03, 2010 WMC Technology Limited [Member] | Aug. 31, 2010 Digitec, Inc [Member]
--- | --- | --- | --- | ---
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total consideration paid |  | $ 4.9 | $ 1.3 | $ 6.4
Current assets | 0.9 |  |  | 1.1
Business acquisition allocation, cash |  |  |  | 0.1
Finite-lived intangible assets | 1.6 |  |  |
Indefinite-lived intangible assets | 1.0 |  |  |
Goodwill | 1.0 |  |  | 4.4
Other long-term assets | 1.1 |  |  |
Current liabilities | 0.4 |  |  | 0.5
Long-term liabilities | 0.8 |  |  | 0.9
Intangible assets |  |  |  | 1.5
Fixed assets |  |  |  | $ 0.8

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- Definition The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used. + 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Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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