Other Intangible Assets, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Intangible assets, net
Weighted Average Life	12 years 2 months 12 days
Acquired Intangible Assets, Gross	$ 200.3		$ 200.3
Accumulated Amortization	(38.1)		(34.3)
Acquired Intangible Assets, Net	162.2		166.0
Amortization expense related to other intangible assets included in depreciation and amortization	$ 3.8	$ 1.3
Minimum
Intangible assets, net
Weighted Average Life	3 months
Maximum
Intangible assets, net
Weighted Average Life	16 years
Covenant not to compete
Intangible assets, net
Weighted Average Life	4 years 8 months 12 days
Acquired Intangible Assets, Gross	$ 1.6		1.6
Accumulated Amortization	(0.1)		0.0
Acquired Intangible Assets, Net	$ 1.5		1.6
Trade names and trademarks
Intangible assets, net
Weighted Average Life	4 years 8 months 12 days
Acquired Intangible Assets, Gross	$ 6.3		6.3
Accumulated Amortization	(1.1)		(0.7)
Acquired Intangible Assets, Net	$ 5.2		5.6
Proprietary know how
Intangible assets, net
Weighted Average Life	5 years 4 months 24 days
Acquired Intangible Assets, Gross	$ 11.0		11.0
Accumulated Amortization	(1.2)		(0.8)
Acquired Intangible Assets, Net	$ 9.8		10.2
Management contract rights
Intangible assets, net
Weighted Average Life	9 years 8 months 12 days
Acquired Intangible Assets, Gross	$ 81.0		81.0
Accumulated Amortization	(33.5)		(32.2)
Acquired Intangible Assets, Net	$ 47.5		48.8
Customer relationships
Intangible assets, net
Weighted Average Life	14 years 8 months 12 days
Acquired Intangible Assets, Gross	$ 100.4		100.4
Accumulated Amortization	(2.2)		(0.6)
Acquired Intangible Assets, Net	$ 98.2		$ 99.8