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Other Current Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Other Current Liabilities [Abstract] |  |  |
Deferred income | $ 51.0 | $ 27.5 |
Dividends payable | 12.6 | 11.8 | $ 11.3
Accrued commissions, rebates and royalties | 10.0 | 9.7 |
Accrued retirement plans (excluding pension) | 8.4 | 7.9 |
Accrued taxes other than income | 15.4 | 6.5 |
Accrued professional services | 3.7 | 5.9 |
Accrued interest | 3.3 | 3.3 |
Restructuring and severance related charges | 7.8 | 2.6 |
Short term derivative instruments | 9.5 | 0.2 |
Other | 21.9 | 15.9 |
Other current liabilities | $ 143.6 | $ 91.3 |

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