Other Intangible Assets, net - Components of Intangible Assets, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	7 years 2 months 12 days
Intangible Assets, Gross	$ 133.2	$ 110.1
Accumulated Amortization	(64.3)	(55.7)
Intangible Assets, Net	$ 68.9	54.4
Covenant Not to Compete
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	3 years 4 months 24 days
Intangible Assets, Gross	$ 2.9	2.9
Accumulated Amortization	(1.4)	(2.3)
Intangible Assets, Net	$ 1.5	0.6
Trade Names and Trademarks
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	11 years 9 months 18 days
Intangible Assets, Gross	$ 2.8	0.9
Accumulated Amortization	(0.7)	(0.5)
Intangible Assets, Net	$ 2.1	0.4
Proprietary Know How
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	6 years 9 months 18 days
Intangible Assets, Gross	$ 21.7	3.8
Accumulated Amortization	(2.7)	(1.3)
Intangible Assets, Net	$ 19.0	2.5
Management Contract Rights
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	6 years 3 months 18 days
Intangible Assets, Gross	$ 81.0	81.0
Accumulated Amortization	(52.9)	(47.7)
Intangible Assets, Net	$ 28.1	33.3
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	8 years 7 months 6 days
Intangible Assets, Gross	$ 24.8	21.5
Accumulated Amortization	(6.6)	(3.9)
Intangible Assets, Net	$ 18.2	$ 17.6