Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.19.2
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2019
May 31, 2018
Nov. 30, 2017
May 31, 2019
May 31, 2018
Income Tax Disclosure Additional Details [Table] [Line Items]          
Earnings before income taxes $ 39,727 $ 25,017   $ 30,748 $ 33,465
Income tax expense (benefit) $ 7,309 $ (3,995)   $ 13,029 $ 17,448
Effective Income Tax Rate Reconciliation, Percent 18.40% (16.00%)   42.40% 52.10%
Federal Statutory Income Tax Rate, Percent     35.00% 21.00%  
Impairment & divestiture charges $ (10,597) $ 0   $ 32,741 $ 2,987
Impairment & divestiture charges, net of tax $ (11,200)     $ 29,362 $ 12,385
Effective Income Tax Rate, Percent, Excluding Impairment & Divestiture Charges 10.90% (16.00%)   25.80% 22.10%
Tax (benefit) expense Related to the Tax Cuts and Jobs Act $ 13,000        
Percent of Revenue (excluding impairment charge) from foreign jurisdictions       70.00%  
Minimum          
Income Tax Disclosure Additional Details [Table] [Line Items]          
Effective Income Tax Rate Reconciliation, Deduction, Percent       3.00%  
Maximum          
Income Tax Disclosure Additional Details [Table] [Line Items]          
Effective Income Tax Rate Reconciliation, Deduction, Percent       4.00%