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v3.20.1

Revenue Recognition (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($) revenue_source | Mar. 31, 2019 USD ($)
Revenue from External Customer [Line Items] |  |
Number of revenue sources | revenue_source | 2 |
Total revenues | $ 261.5 | $ 258.0
United States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 127.2 | 130.7
Europe and the former Commonwealth of Independent States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 56.1 | 58.3
Asia/Pacific (including China) |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 49.5 | 37.6
Latin America |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 13.3 | 13.1
Other foreign countries |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 15.4 | 18.3
Product revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 241.7 | 238.7
Materials conversion revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 16.7 | 16.8
Other revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 3.1 | 2.5
AMS |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 122.9 | 120.5
AMS | United States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 83.3 | 83.3
AMS | Europe and the former Commonwealth of Independent States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 12.6 | 13.2
AMS | Asia/Pacific (including China) |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 20.7 | 17.2
AMS | Latin America |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 2.3 | 2.0
AMS | Other foreign countries |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 4.0 | 4.8
AMS | Product revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 117.0 | 117.5
AMS | Materials conversion revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 3.8 | 1.9
AMS | Other revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 2.1 | 1.1
EP |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 138.6 | 137.5
EP | United States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 43.9 | 47.4
EP | Europe and the former Commonwealth of Independent States |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 43.5 | 45.1
EP | Asia/Pacific (including China) |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 28.8 | 20.4
EP | Latin America |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 11.0 | 11.1
EP | Other foreign countries |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 11.4 | 13.5
EP | Product revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 124.7 | 121.2
EP | Materials conversion revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | 12.9 | 14.9
EP | Other revenues |  |
Revenue from External Customer [Line Items] |  |
Total revenues | $ 1.0 | $ 1.4

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