Segment Information - Schedule of Segment Information by Regions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Services revenue
Services revenue	$ 425.3	$ 349.8
Total operating income (loss)	19.3	20.1
General and administrative expenses
General and administrative expenses	30.6	24.5
Depreciation and amortization
Depreciation and amortization	8.4	6.8
Operating Segments | Commercial
Services revenue
Services revenue	144.4	131.2
Total operating income (loss)	8.2	6.1
General and administrative expenses
General and administrative expenses	31.2	28.6
Depreciation and amortization
Depreciation and amortization	3.6	3.0
Operating Segments | Aviation
Services revenue
Services revenue	71.9	53.2
Total operating income (loss)	3.9	2.7
General and administrative expenses
General and administrative expenses	8.6	8.1
Depreciation and amortization
Depreciation and amortization	2.8	2.9
Segment Reconciling Items
Services revenue
Total operating income (loss)	(20.5)	(16.6)
General and administrative expenses
General and administrative expenses	2.0	0.9
Depreciation and amortization
Depreciation and amortization	18.5	15.7
Lease Type Contracts
Services revenue
Services revenue	68.2	62.6
Lease Type Contracts | Operating Segments | Commercial
Services revenue
Services revenue	64.6	59.2
Lease Type Contracts | Operating Segments | Aviation
Services revenue
Services revenue	3.6	3.4
Management Type Contracts
Services revenue
Services revenue	148.1	121.8
Management Type Contracts | Operating Segments | Commercial
Services revenue
Services revenue	79.8	72.0
Management Type Contracts | Operating Segments | Aviation
Services revenue
Services revenue	68.3	49.8
Reimbursed Management Type Contract Revenue
Services revenue
Services revenue	$ 209.0	$ 165.4