v3.26.3
Financial Instruments and Risk Management (Rollforward of Contingent Consideration) (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2026
USD ($)
Current Portion  
Balance at beginning of period $ 28.5
Payments (21.6)
Reclassifications 11.6
Accretion 0.0
Fair value loss 0.0
Balance at end of period 18.5
Long-Term Portion  
Balance at beginning of period 343.1
Payments 0.0
Reclassifications (11.6)
Accretion 2.6
Fair value loss 88.2
Balance at end of period 422.3
Total Contingent Consideration  
Balance at beginning of period 371.6
Payments (21.6)
Reclassifications 0.0
Accretion 2.6
Fair value loss 88.2
Balance at end of period $ 440.8