Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.10.0.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 4 Months Ended 11 Months Ended 12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Dec. 31, 2017
Nov. 30, 2018
Aug. 31, 2019
Aug. 31, 2018
Income Tax Disclosure Additional Details [Table] [Line Items]            
Earnings (loss) before income taxes $ (17,524) $ 6,830        
Income tax (benefit) expense $ (72) $ 1,604        
Effective Income Tax Rate Reconciliation, Percent 0.40% 23.50%        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     35.00% 21.00%    
Impairment & divestiture charges $ 36,453 $ 0        
Impairment and other divestiture charges, net of tax $ 33,836 $ 0        
Effective Income Tax Rate, Percent, Excluding Impairment & Divestiture Charges 13.40%          
Percent of Revenue (excluding impairment charge) from foreign jurisdictions         70.00% 80.00%
Effective Income Tax Rate Reconciliation, Deduction, Percent   12.20%        
Asset Impairment Charge Income Tax Benefit $ 2,600          
Income Tax Benefit, Foreign Tax Credit Carryforward 1,100          
FY19 Held for Sale Entities [Domain]            
Income Tax Disclosure Additional Details [Table] [Line Items]            
Impairment & divestiture charges 36,453          
Impairment and other divestiture charges, net of tax $ 33,800