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Revenue - Contracts and Liabilities, Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2013
Disaggregation of Revenue [Line Items] |  |  |
Revenue recognized that was included in the deferred income balance | $ 17.4 |  |
Deferred income | 45.1 | $ 57.1 |
Smart Dose |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred income | 4.5 |  | $ 20.0
Deferred income, current | 0.9 |  |
Deferred income, noncurrent | $ 3.6 |  |
Minimum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Contract with customer liability recognized | 1 year |  |
Maximum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Contract with customer liability recognized | 2 years |  |

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