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Basis of Presentation (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 31, 2012 Segments | Feb. 28, 2013 product_lines | Aug. 31, 2013 Segments | Jul. 31, 2013 Apama [Member] | Aug. 31, 2013 Apama [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of product lines divested |  | 10 |  |  |
Number of reportable segments | 2 |  | 1 |  |
Sale of Apama product line, sales price |  |  |  | $ 44,268 | $ 44,268

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- Definition Disposal Group, Including Discontinued Operation, Purchase Price + References No definition available. + Details
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- Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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