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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, 2021 | Aug. 31, 2020 | Aug. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Revenue |  |  |  |  |  | $ 0 | $ 67,010 | $ 459,144
Disposal Group, Including Discontinued Operation, Costs of Goods Sold |  |  |  |  |  | 0 | 49,749 | 344,563
Disposal Group, Including Discontinued Operation, Gross Profit (Loss) |  |  |  |  |  | 0 | 17,261 | 114,581
Disposal Group, Including Discontinued Operation, General and Administrative Expense |  |  |  |  |  | 1,456 | 11,561 | 68,339
Depreciation and Amortization, Discontinued Operations |  |  |  |  |  | 0 | 0 | 5,666
Disposal Group including Discontinued Operation Restructuring Charges |  |  |  |  |  | 0 | (11) | 1,779
Disposal Group including Discontinued Operation Impairment and other divestiture charges |  |  |  |  |  | 0 | 28,972 | 286,175
Disposal Group, Including Discontinued Operation, Operating Income (Loss) |  |  |  |  |  | (1,456) | (23,261) | (247,378)
Disposal Group, Including Discontinued Operation, Interest Expense |  |  |  |  |  | 0 | 14 | 124
Disposal Group, Including Discontinued Operation, Other Income |  |  |  |  |  | 0 | 104 | 1,922
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax |  |  |  |  |  | (1,456) | (23,171) | (249,424)
Disposal Group Including Discontinued Operation Income Tax (Benefit) Expense |  |  |  |  |  | 679 | (18,337) | 7,788
Net (Loss) Earnings from Discontinued Operations |  |  |  |  |  | (2,135) | 4,834 | 257,212
Proceeds from sale of businesses, net of transaction costs |  |  |  |  |  | 0 | 10,226 | 0
Goodwill, Impairment Charge |  |  |  |  |  | $ 5,656 |  |
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
Disposal Date |  |  |  | Dec. 31, 2018 |  |  |  |
Proceeds from sale of businesses, net of transaction costs |  |  |  | $ 23,600 |  |  |  |
Cortland Fibron [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Impairment & divestiture charges |  |  |  |  |  |  |  | 1,700
Disposal Date |  |  |  |  | Dec. 19, 2018 |  |  |
Proceeds from sale of businesses, net of transaction costs |  |  |  |  | $ 12,500 |  |  |
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
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

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