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
Dec. 31, 2018
Dec. 19, 2018
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Disposal Group, Including Discontinued Operation, Revenue           $ 67,010 $ 459,144 $ 541,308
Disposal Group, Including Discontinued Operation, Costs of Goods Sold           49,749 344,563 409,332
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)           17,261 114,581 131,976
Disposal Group Including Discontinued Operations Selling Administrative And Engineering Expenses           11,561 68,339 81,188
Depreciation and Amortization, Discontinued Operations           0 5,666 11,285
Disposal Group including Discontinued Operation Restructuring Charges           (11) 1,779 1,440
Disposal Group including Discontinued Operation Impairment and other divestiture charges           28,972 286,175 70,071
Disposal Group, Including Discontinued Operation, Operating Income (Loss)           (23,261) (247,378) (32,008)
Disposal Group, Including Discontinued Operation, Interest Expense           14 124 619
Disposal Group, Including Discontinued Operation, Other Income           (104) (1,922) (759)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax           (23,171) (249,424) (31,868)
Disposal Group Including Discontinued Operation Income Tax (Benefit) Expense           (18,337) 7,788 (5,474)
Net (Loss) Earnings from Discontinued Operations           (4,834) (257,212) (26,394)
Assets from discontinued operations           0 285,578  
Proceeds from sale of businesses, net of transaction costs           10,226 0 8,902
Goodwill, Impairment Charge           0 13,678  
Other Divestiture Charges             10,500  
Precision-Hayes International [Member]                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Impairment & divestiture charges             9,500 23,700
Disposal Date       Dec. 31, 2018        
Proceeds from sale of businesses, net of transaction costs       $ 23,600        
Goodwill, Impairment Charge               17,500
Impairment of Intangible Assets (Excluding Goodwill)               5,000
Impairment charge               1,200
Cortland Fibron [Member]                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Impairment & divestiture charges             1,700 46,300
Disposal Date         Dec. 19, 2018      
Proceeds from sale of businesses, net of transaction costs         $ 12,500      
Impairment charge               10,500
Cumulative Effect of Foreign Currency Rate Change Since Acquisition               35,300
Other Divestiture Charges               500
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 13,200 11,100
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 $ 5,000 $ 200