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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Acquisition-related future consideration liabilities | $ 9.8 |
Acquisition-related future consideration liabilities recorded in Other Current liabilities | 5.6 |
Acquisition-related future consideration liabilities recorded in Other Long-Term liabilities | 4.2 |
Money Market |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 246.2 | $ 222.1
Mutual Fund | NAV |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other financial assets | $ 5.1 | $ 3.7

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