Revenue - Timing of Revenue Recognition (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended								12 Months Ended
	Feb. 07, 2019		Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 178.7	[1]	$ 598.3	$ 541.9	$ 520.9	$ 504.5	$ 479.9	$ 444.4	$ 418.7	$ 395.7	$ 2,165.6	$ 1,738.7	[1]	$ 1,439.0	[1]	$ 1,716.4
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue	91.4										931.8	762.7		731.4
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 87.3										$ 1,233.8	$ 976.0		$ 707.6

[1] See Note 1 Basis of Presentation and Description of Business for further detail regarding the elimination of the International lag reporting.