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v3.26.1

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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Business Combination [Line Items] |  |  |  |
Fair value of contingent consideration as of beginning of period | $ 2.3 | $ 2.0 | $ 3.4 | $ 3.2
Cash consideration paid | 0.0 | 0.0 | 1.5 | 1.5
Loss related to change in fair value of contingent consideration, net | $ 0.9 | $ 0.1 | $ 0.9 | $ 0.4
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 | $ 3.2 | $ 2.1 | $ 3.2 | $ 2.1
Eventscape [Member] |  |  |  |
Business Combination [Line Items] |  |  |  |
Acquisition date fair value of Eventscape contingent consideration | $ 0.0 | $ 0.0 | $ 0.4 | $ 0.0

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