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Discontinued Operations, Goodwill, and Intangible Assets - Income Statement Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Discontinued Operations, Goodwill, and Intangible Assets |  |
Revenue | $ 330,700 | $ 1,502,800
Cost of revenue | 322,900 | 1,473,500
Gross profit | 7,800 | 29,300
Equity in earnings of joint ventures | 7,700 | 4,900
Loss on disposal activities | (11,334) |
Transaction costs | (10,900) |
Impairment of long-lived assets | (95,814) |
(Loss) income from operations | (102,500) | 34,200
Other income |  | 1,200
Interest expense | (200) | (12,800)
(Loss) income before taxes | (102,700) | 22,600
Income tax (benefit) expense | (46,900) | 4,400
Net (loss) income from discontinuing operations | $ (55,752) | $ 18,180

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