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BUSINESS SEGMENTS (Reconciliations of Earnings from Continuing Operations to Adjusted Operating Profit) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Nov. 30, 2018 | Nov. 30, 2017
Segment Reporting [Abstract] |  |
Earnings from continuing operations | $ 19,420 | $ 31,871
Interest expense | 16,663 | 6,611
Income taxes | 5,609 | 8,425
Depreciation and amortization | 35,176 | 31,899
Amortization of acquired unfavorable contract backlog | (11,332) | 0
Impairment of assets | 0 | 461
Adjusted EBITDA from continuing operations | $ 65,536 | $ 79,267

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