Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.21.2
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Income Tax Disclosure Additional Details [Table] [Line Items]        
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ 3,900 $ 4,500 $ 3,700  
Unrecognized Tax Benefits, Period Increase (Decrease), Reasonably Possible in Future Period $ (1,000)      
Federal statutory rate 21.00% 21.00% 21.00%  
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense $ 4,900 $ 9,400 $ 1,700  
Impairment, Non-Deductible for Income Tax Purposes 3,500 300 14,000  
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount 4,600 4,000 3,500  
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction 9,100 12,300 2,900  
Net Benefit, Taxable Liquidations of Foreign Subsidiaries   4,100    
Operating Loss Carryforward 65,100      
Income taxes, net of refunds 7,800 13,200 15,400  
Deferred Tax Assets, Operating Loss Carryforwards, Foreign 86,300      
Additional Income Tax Provision 3,700      
Non-Cash Impairment charges - domestic earnings 4,700 (2,600) 9,000  
Non-Cash Impairment charges - foreign earnings 1,500 (600) 13,800  
Impairment and divestiture (benefit) charges 6,198 (3,159) 22,827 $ 22,800
Deferred income taxes [Member]        
Income Tax Disclosure Additional Details [Table] [Line Items]        
Deferred Income Tax Liabilities, Net 4,400 1,700    
Other Noncurrent Assets [Member]        
Income Tax Disclosure Additional Details [Table] [Line Items]        
Deferred Income Tax Assets, Net 14,800 22,600    
Valuation Allowance of Deferred Tax Assets        
Income Tax Disclosure Additional Details [Table] [Line Items]        
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense 4,886 9,383 43,693  
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction $ 9,145 $ 12,337 $ 2,864