XML 83 R72.htm IDEA: XBRL DOCUMENT v3.21.1
Business Combinations - Contingent Consideration Rollforward (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Contingent Consideration  
Balance at December 31, 2020 $ 20.1
Increase in fair value of contingent consideration liabilities 0.8
Balance at March 31, 2021 20.9
SES  
Contingent Consideration  
Balance at December 31, 2020 16.9
Increase in fair value of contingent consideration liabilities 0.7
Balance at March 31, 2021 17.6
BIG  
Contingent Consideration  
Balance at December 31, 2020 3.2
Increase in fair value of contingent consideration liabilities 0.1
Balance at March 31, 2021 $ 3.3