Acquisition, Restructuring, Integration and Other Costs - Schedule of Acquisition, Restructuring, Integration and Other Costs (Details) - Central Merger - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Restructuring and other costs	$ 3.8	$ 3.2	$ 7.6
Cost of Services - Lease Type Contracts
Business Acquisition [Line Items]
Restructuring and other costs	0.0	0.2	0.4
Cost of Services - Lease Type Contracts | Commercial
Business Acquisition [Line Items]
Restructuring and other costs	0.0	0.2	0.4
Cost of Services - Management Type Contracts
Business Acquisition [Line Items]
Restructuring and other costs	0.1	1.8	0.7
Cost of Services - Management Type Contracts | Commercial
Business Acquisition [Line Items]
Restructuring and other costs	0.1	1.3	0.7
Cost of Services - Management Type Contracts | Aviation
Business Acquisition [Line Items]
Restructuring and other costs	0.0	0.5	0.0
General and Administrative Expenses
Business Acquisition [Line Items]
Restructuring and other costs	3.7	1.2	6.5
General and Administrative Expenses | Other
Business Acquisition [Line Items]
Restructuring and other costs	3.3	0.2	5.7
General and Administrative Expenses | Commercial
Business Acquisition [Line Items]
Restructuring and other costs	0.8	0.2	0.4
General and Administrative Expenses | Aviation
Business Acquisition [Line Items]
Restructuring and other costs	$ (0.4)	$ 0.8	$ 0.4