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Restructuring Activities - Narratives (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Restructuring Cost and Reserve |  |  |  |  |
Restructuring costs | $ 1.5 |  | $ 2.0 | $ 13.3 | $ 3.5
Property, plant and equipment impairment and disposals |  |  |  | (5.6) |
Operating Segments | E&C Cryogenics |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |
Restructuring costs | $ 0.2 |  | $ 0.0 | 2.4 | $ 0.4
Property, plant and equipment impairment and disposals |  | $ 1.6 |  | $ (1.6) |

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