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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