Goodwill and Intangible Assets - Carrying Value of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 287.1
Translation adjustments	0.2
Ending balance	287.3
DWS
Goodwill [Roll Forward]
Beginning balance	140.5
Translation adjustments	0.2
Ending balance	140.7
CA&I
Goodwill [Roll Forward]
Beginning balance	38.0
Translation adjustments	0.0
Ending balance	38.0
ECS
Goodwill [Roll Forward]
Beginning balance	98.3
Translation adjustments	0.0
Ending balance	98.3
Other
Goodwill [Roll Forward]
Beginning balance	10.3
Translation adjustments	0.0
Ending balance	$ 10.3