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Acquisitions (Narrative) (Details) € in Millions, $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 13, 2019 EUR (€) | Feb. 13, 2019 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Feb. 13, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquisition and other-related costs |  |  | $ 0.4 | $ 0.8 | $ 1.7 | $ 32.0 |
Caprolactone Acquisition |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Interest acquired | 100.00% |  |  |  |  |  | 100.00%
Payments to acquire businesses, gross | € 578.9 | $ 652.5 |  |  |  |  |
Total cash paid | € 100.4 |  |  |  |  |  | $ 113.1
Revenues |  |  | $ 31.6 | $ 34.3 | $ 67.9 | $ 58.5 |
Total cash paid, less cash and restricted cash acquired |  | $ 537.9 |  |  |  |  |

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