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2. Fair Value Measurements 3. Contingent Consideration (Details) - USD ($) $ in Millions | Mar. 31, 2023 | [1] | Dec. 31, 2022 | Aug. 03, 2022
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Curiosity Diagnostics |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  | $ 70.0
Fair Value, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Business Combination, Contingent Consideration, Liability | $ 36.4 | $ 35.6 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Business Combination, Contingent Consideration, Liability | $ 36.4 | $ 35.6 |
[1] | Contingent considerations in a liability position are included in Other long-term liabilities in the condensed consolidated balance sheets. Changes in the fair value of contingent consideration are included in Selling, general and administrative expenses in our condensed consolidated statements of income (loss).

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