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Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019
Supplemental Schedule of Noncash Investing and Financing Activities |  |
Cash dividends declared, but not yet paid | $ 6.5 | $ 4.0
Universal Weather And Aviation, Inc. |  |
Supplemental Schedule of Noncash Investing and Financing Activities |  |
Deferred consideration | $ 30.0 |

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