Business Combinations (Tables)

6 Months Ended

Jun. 30, 2021

Business Combination and Asset Acquisition [Abstract]

Schedule of changes in contingent consideration

The following table represents the changes to our contingent consideration liabilities:

	SES		BIG		Total
Balance at December 31, 2020	$	16.9	$	3.2	$	20.1
Increase in fair value of contingent consideration liabilities	2.0		—		2.0
Balance at June 30, 2021	$	18.9	$	3.2	$	22.1