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Business Combinations (Tables)
3 Months Ended
Mar. 31, 2021
Business Combinations [Abstract]  
Schedule Of Changes In Contingent Consideration The following table represents the changes to our contingent consideration liabilities:
SESBIGTotal
Balance at December 31, 2020$16.9 $3.2 $20.1 
Increase in fair value of contingent consideration liabilities0.7 0.1 0.8 
Balance at March 31, 2021$17.6 $3.3 $20.9