Restructuring and Other Costs - Schedule of Restructuring and Other Costs (Details) - Central Merger - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Acquisition [Line Items]
Restructuring and other costs	$ 1.3	$ 0.3	$ 1.9	$ 2.8
Cost of Services - Lease Type Contracts
Business Acquisition [Line Items]
Restructuring and other costs				0.2
Cost of Services - Lease Type Contracts | Commercial
Business Acquisition [Line Items]
Restructuring and other costs		0.0		0.2
Cost of Services - Management Type Contracts
Business Acquisition [Line Items]
Restructuring and other costs		0.1	0.0	0.6
Cost of Services - Management Type Contracts | Commercial
Business Acquisition [Line Items]
Restructuring and other costs		0.0	0.1	1.0
Cost of Services - Management Type Contracts | Aviation
Business Acquisition [Line Items]
Restructuring and other costs		0.1		1.6
General and Administrative Expenses
Business Acquisition [Line Items]
Restructuring and other costs	1.3	0.2	1.8	1.0
General and Administrative Expenses | Commercial
Business Acquisition [Line Items]
Restructuring and other costs			0.7	0.1
General and Administrative Expenses | Aviation
Business Acquisition [Line Items]
Restructuring and other costs		0.3	(0.4)	0.8
General and Administrative Expenses | Other
Business Acquisition [Line Items]
Restructuring and other costs	$ 1.3	$ (0.1)	$ 1.5	$ 0.1