Quarterly report pursuant to Section 13 or 15(d)

Divestiture Activities Schedule of Assets and Liabilities Held for Sale (Details)

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Divestiture Activities Schedule of Assets and Liabilities Held for Sale (Details) - USD ($)
$ in Thousands
 3 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Aug. 31, 2018
Schedule of Assets and Liabilities Held for Sale [Line Items]      
Assets Held-for-Sale $ 106,193   $ 23,573
Liabilities held for sale 70,030   44,225
FY19 Held for Sale Entities [Domain]      
Schedule of Assets and Liabilities Held for Sale [Line Items]      
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net 15,957    
Disposal Group, Including Discontinued Operation, Inventory, Current 22,645    
Disposal Group, Including Discontinued Operation, Other Assets, Current 3,654    
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent 13,546    
Divestiture Activity, Asset Held for Sale, Goodwill and other Intangible Assets 46,246    
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent 4,145    
Assets Held-for-Sale 106,193    
Disposal Group, Including Discontinued Operation, Accounts Payable, Current 11,669    
Divestiture Activity, Liability Held for Sale, Accrued Compensation 1,915    
Divestiture Activity, Liability Held for Sale, Reserve for Cumulative Translation Adjustment 48,267    
Disposal Group, Including Discontinued Operation, Other Liabilities, Current 3,077    
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable, Noncurrent 5,010    
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent 92    
Liabilities held for sale 70,030    
Disposal Group, Not Discontinued Operation, annual revenue $ 29,400 $ 28,000  
Cortland Fibron [Domain]      
Schedule of Assets and Liabilities Held for Sale [Line Items]      
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net     2,924
Disposal Group, Including Discontinued Operation, Inventory, Current     2,597
Disposal Group, Including Discontinued Operation, Other Assets, Current     3,267
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent     2,186
Divestiture Activity, Asset Held for Sale, Goodwill and other Intangible Assets     12,464
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent     135
Assets Held-for-Sale     23,573
Disposal Group, Including Discontinued Operation, Accounts Payable, Current     3,915
Divestiture Activity, Liability Held for Sale, Accrued Compensation     1,414
Divestiture Activity, Liability Held for Sale, Reserve for Cumulative Translation Adjustment     35,346
Disposal Group, Including Discontinued Operation, Other Liabilities, Current     1,269
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable, Noncurrent     2,281
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent     0
Liabilities held for sale     $ 44,225