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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Feb. 29, 2016 | Feb. 28, 2015
Income Tax Disclosure [Abstract] |  |
Foreign statutory rate (as a percent) | 10.00% | 10.00%
Research and development tax credit | $ 0.6 |

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- Definition Effective Income Tax Rate Reconciliation, at Foreign Statutory Income Tax Rate, Percent + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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