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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Disaggregation of Revenue |  |  |  |
Sales to external customers | $ 272.2 | $ 202.7 | $ 794.2 | $ 573.5
Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 175.4 |  | 518.4 |
Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 96.8 |  | 275.8 |
Natural gas processing (including petrochemical) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 63.5 | 27.3 | 191.2 | 91.6
Liquefied natural gas (LNG) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 44.3 | 39.4 | 129.2 | 117.2
Industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 3.4 | 11.6 | 9.8 | 16.0
HVAC, power and refining applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 18.8 | 2.2 | 59.3 | 2.2
Bulk industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 72.5 | 60.7 | 190.3 | 155.4
Packaged gas industrial applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 49.5 | 44.7 | 155.1 | 134.1
Cryobiological storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 20.2 | 16.8 | 59.3 | 57.0
Energy & Chemicals |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 98.1 | 46.6 | 288.8 | 126.5
D&S West |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 119.0 | 99.6 | 337.2 | 295.6
D&S East |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 56.8 | 63.2 | 174.3 | 166.7
Operating Segments | Energy & Chemicals |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 98.1 | 46.6 | 288.8 | 126.5
Operating Segments | Energy & Chemicals | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 18.9 |  | 66.5 |
Operating Segments | Energy & Chemicals | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 79.2 |  | 222.3 |
Operating Segments | Energy & Chemicals | Natural gas processing (including petrochemical) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 63.5 | 27.3 | 191.2 | 91.6
Operating Segments | Energy & Chemicals | Liquefied natural gas (LNG) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 12.4 | 5.5 | 28.5 | 16.7
Operating Segments | Energy & Chemicals | Industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 3.4 | 11.6 | 9.8 | 16.0
Operating Segments | Energy & Chemicals | HVAC, power and refining applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 18.8 | 2.2 | 59.3 | 2.2
Operating Segments | Energy & Chemicals | Bulk industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Energy & Chemicals | Packaged gas industrial applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Energy & Chemicals | Cryobiological storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S West |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 119.0 | 99.6 | 337.2 | 295.6
Operating Segments | D&S West | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 102.8 |  | 299.3 |
Operating Segments | D&S West | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 16.2 |  | 37.9 |
Operating Segments | D&S West | Natural gas processing (including petrochemical) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S West | Liquefied natural gas (LNG) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 20.5 | 13.5 | 54.4 | 45.0
Operating Segments | D&S West | Industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S West | HVAC, power and refining applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S West | Bulk industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 41.1 | 35.1 | 105.7 | 94.2
Operating Segments | D&S West | Packaged gas industrial applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 37.2 | 34.2 | 117.8 | 99.4
Operating Segments | D&S West | Cryobiological storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 20.2 | 16.8 | 59.3 | 57.0
Operating Segments | D&S East |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 56.8 | 63.2 | 174.3 | 166.7
Operating Segments | D&S East | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 55.0 |  | 157.0 |
Operating Segments | D&S East | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 1.8 |  | 17.3 |
Operating Segments | D&S East | Natural gas processing (including petrochemical) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S East | Liquefied natural gas (LNG) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 11.8 | 26.2 | 48.3 | 67.1
Operating Segments | D&S East | Industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S East | HVAC, power and refining applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | D&S East | Bulk industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 31.8 | 26.5 | 85.8 | 64.7
Operating Segments | D&S East | Packaged gas industrial applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 13.2 | 10.5 | 40.2 | 34.9
Operating Segments | D&S East | Cryobiological storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Intersegment Eliminations |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (1.7) | (6.7) | (6.1) | (15.3)
Intersegment Eliminations | Point in time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (1.3) |  | (4.4) |
Intersegment Eliminations | Over time |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (0.4) |  | (1.7) |
Intersegment Eliminations | Natural gas processing (including petrochemical) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Intersegment Eliminations | Liquefied natural gas (LNG) applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (0.4) | (5.8) | (2.0) | (11.6)
Intersegment Eliminations | Industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Intersegment Eliminations | HVAC, power and refining applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | 0.0 | 0.0 | 0.0 | 0.0
Intersegment Eliminations | Bulk industrial gas applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (0.4) | (0.9) | (1.2) | (3.5)
Intersegment Eliminations | Packaged gas industrial applications |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | (0.9) | 0.0 | (2.9) | (0.2)
Intersegment Eliminations | Cryobiological storage |  |  |  |
Disaggregation of Revenue |  |  |  |
Sales to external customers | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

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