Annual report pursuant to Section 13 and 15(d)

Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures (Details)

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Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 02, 2019
Oct. 22, 2019
Sep. 20, 2019
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Disposal Group, Including Discontinued Operation, Revenue       $ 0 $ 0 $ 67,010
Disposal Group, Including Discontinued Operation, Costs of Goods Sold       0 0 49,749
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)       0 0 17,261
Disposal Group, Including Discontinued Operation, General and Administrative Expense       4,842 1,456 11,561
Disposal Group including Discontinued Operation Restructuring Charges       0 0 (11)
Disposal Group including Discontinued Operation Impairment and other divestiture charges       0 0 28,972
Disposal Group, Including Discontinued Operation, Operating Income (Loss)       (4,842) (1,456) (23,261)
Disposal Group, Including Discontinued Operation, Interest Expense       0 0 14
Disposal Group, Including Discontinued Operation, Other Income       0 0 (104)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax       (4,842) (1,456) (23,171)
Disposal Group Including Discontinued Operation Income Tax (Benefit) Expense       (937) 679 (18,337)
Net (Loss) Earnings from Discontinued Operations       (3,905) 2,135 4,834
Proceeds from sale of businesses, net of transaction costs       0 0 10,226
Goodwill, Impairment Charge       $ 1,297 5,656  
UNI-LIFT Product Line [Domain]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Impairment & divestiture charges     $ 6,300      
Disposal Date     Sep. 20, 2019      
Proceeds from sale of businesses, net of transaction costs     $ 7,500      
Contingent Proceeds     $ 1,500      
Milwaukee Cylinder (Excluding UNI-LIFT) [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Impairment & divestiture charges         4,500  
Disposal Date Dec. 02, 2019          
Goodwill, Impairment Charge         2,500  
Other Divestiture Charges         300  
Charges Associated with Withdrawal of Pension Plan         1,700  
Milwaukee Cylinder (including UNI-LIFT) [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Disposal Group, Not Discontinued Operation, annual revenue           2,900
Connectors Product Line [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Impairment & divestiture charges         $ 1,000  
Disposal Date   Oct. 22, 2019        
Proceeds from sale of businesses, net of transaction costs   $ 2,700        
Disposal Group, Not Discontinued Operation, annual revenue           $ 200