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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Disaggregation of Revenue |  |  |  |
Sales | $ 357.8 | $ 272.2 | $ 956.7 | $ 794.2
Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 182.7 | 175.4 | 574.7 | 518.4
Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 175.1 | 96.8 | 382.0 | 275.8
Operating Segments | E&C Cryogenics |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 48.9 | 35.6 | 131.3 | 98.6
Operating Segments | E&C Cryogenics | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 1.7 | 2.3 | 10.8 | 10.6
Operating Segments | E&C Cryogenics | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 47.2 | 33.3 | 120.5 | 88.0
Operating Segments | E&C FinFans |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 128.6 | 62.5 | 272.0 | 190.2
Operating Segments | E&C FinFans | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 20.7 | 16.6 | 58.6 | 55.9
Operating Segments | E&C FinFans | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 107.9 | 45.9 | 213.4 | 134.3
Operating Segments | D&S West |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 114.9 | 119.0 | 344.8 | 337.2
Operating Segments | D&S West | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 101.2 | 102.8 | 310.5 | 299.3
Operating Segments | D&S West | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 13.7 | 16.2 | 34.3 | 37.9
Operating Segments | D&S East |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 70.4 | 56.8 | 216.8 | 174.3
Operating Segments | D&S East | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 64.1 | 55.0 | 203.0 | 157.0
Operating Segments | D&S East | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | 6.3 | 1.8 | 13.8 | 17.3
Intersegment Eliminations |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | (5.0) | (1.7) | (8.2) | (6.1)
Intersegment Eliminations | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | (5.0) | (1.3) | (8.2) | (4.4)
Intersegment Eliminations | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales | $ 0.0 | $ (0.4) | $ 0.0 | $ (1.7)

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