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Financial Instruments and Contingent Consideration (Schedule of Changes in Fair Value of the Acquisition Related Contingent Consideration Liability) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Business Combination [Abstract] |  |  |  |
Fair value of contingent consideration as of beginning of period | $ 2.1 | $ 2.0 | $ 3.2 | $ 1.6
Cash consideration paid | 0.0 | 0.0 | (1.5) | 0.0
Acquisition date fair value of contingent consideration | 0.3 | 0.0 | 0.3 | 0.0
Loss related to change in fair value of contingent consideration | $ 0.1 | $ 0.2 | $ 0.5 | $ 0.6
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) | Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) | Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) | Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)
Fair value of contingent consideration as of end of period | $ 2.5 | $ 2.2 | $ 2.5 | $ 2.2

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