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Fair Value Measurements (Quantitative Information about Unobservable Inputs, Liabilities) (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2015 | Aug. 31, 2015 | May. 31, 2015 | Aug. 31, 2015 | Aug. 31, 2014 | May. 13, 2014
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |  |  |
Payment of contingent consideration | $ (200,000) |  |  | $ (209,000) | $ (210,000) |
Asset impairment |  |  | $ 3,900,000 | 3,999,000 | $ 0 |
Modulus [Member] |  |  |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |  |  |
Contingent consideration liability |  |  |  |  |  | $ 2,500,000
Change in fair value of contingent consideration |  | $ (300,000) |  | $ (1,500,000) |  |
Modulus [Member] | Contingent Consideration [Member] |  |  |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |  |  |
Probability milestones associated with contingent consideration will be achieved, Year 2 |  |  |  | 0.00% |  |
Contingent consideration liability |  | $ 0 | $ 0 | $ 0 |  |

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