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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2016 | May 31, 2016 | Aug. 31, 2015 | Aug. 31, 2016 | Aug. 31, 2015
Income Tax Disclosure [Abstract] |  |  |  |  |
Foreign statutory rate (as a percent) |  |  |  | 10.00% | 10.00%
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |
Out of period tax benefit | $ (4,742) |  | $ (11,555) | $ (10,114) | $ 7,256
Adjustment for Error Correction [Member] |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |
Out of period tax benefit |  | $ 2,700 |  |  |

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