Annual report pursuant to Section 13 and 15(d)

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

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Divestitures Activities Schedule of Assets and Liabilities Held for Sale (Details) - USD ($)
$ in Thousands
Aug. 31, 2018
Aug. 31, 2017
Schedule of Assets and Liabilities Held for Sale [Line Items]    
Assets held-for-sale $ 23,573 $ 21,835
Liabilities held for sale 44,225 101,083
Viking [Member]    
Schedule of Assets and Liabilities Held for Sale [Line Items]    
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net   2,426
Disposal Group, Including Discontinued Operation, Inventory, Current   190
Disposal Group, Including Discontinued Operation, Other Assets, Current   1,927
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent   7,534
Divestiture Activity, Asset Held for Sale, Goodwill and other Intangible Assets   0
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent   9,758
Assets held-for-sale   21,835
Disposal Group, Including Discontinued Operation, Accounts Payable, Current   1,883
Divestiture Activity, Liability Held for Sale, Accrued Compensation   0
Divestiture Activities, Liability Held for Sale - Rental Asset Lease Buyout Liability   28,644
Divestiture Activity, Liability Held for Sale, Reserve for Cumulative Translation Adjustment   68,919
Disposal Group, Including Discontinued Operation, Other Liabilities, Current   1,637
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable, Noncurrent   0
Liabilities held for sale   $ 101,083
Cortland Fibron [Member]    
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 Activities, Liability Held for Sale - Rental Asset Lease Buyout Liability 0  
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  
Liabilities held for sale $ 44,225