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Acquisitions and Dispositions - Financial Information Included in Net Income from Discontinued Operations (Details) - Harsco Industrial - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Amounts for the former Harsco Industrial Segment: |  |  |  |
Total revenues | $ 0 | $ 0 | $ 0 | $ 10,203
Cost of products sold | 0 | 0 | 0 | 8,082
Income (loss) from discontinued business | (957) | (95) | (2,003) | 123
Additional amounts allocated to the former Harsco Industrial Segment: |  |  |  |
Selling, general and administrative expenses | $ 957 | $ (77) | $ 2,003 | $ 1,189

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