Intangible Assets, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Intangible assets subject to amortization:
Intangible assets subject to amortization, Gross Carrying Amount	$ 690.0		$ 720.0
Intangible assets subject to amortization, Accumulated Amortization	(454.8)		(447.5)
Intangible assets
Intangible assets, Gross Carrying Amount	1,382.8		1,478.6
Amortization expense for intangible assets	10.8	$ 10.8
Changes in intangible assets due to foreign currency translation gains (losses)	(3.5)	$ 1.2
Summary of estimated aggregate amortization expense for each of the succeeding five years
2020 (remaining nine months)	26.4
2021	34.7
2022	34.0
2023	29.7
2024	26.2
Trade names
Intangible assets not subject to amortization:
Intangible assets not subject to amortization, Gross Carrying Amount	692.8		758.6
Intangible assets
Impairment losses of intangible assets, indefinite-lived	$ 64.1
Covenants not to compete
Intangible assets subject to amortization:
Weighted average amortizable life in years	5 years
Intangible assets subject to amortization, Gross Carrying Amount	$ 0.7		0.7
Intangible assets subject to amortization, Accumulated Amortization	$ (0.4)		(0.4)
Customer lists/relationships
Intangible assets subject to amortization:
Weighted average amortizable life in years	15 years 6 months
Intangible assets subject to amortization, Gross Carrying Amount	$ 680.2		710.1
Intangible assets subject to amortization, Accumulated Amortization	(445.4)		(438.1)
Intangible assets
Impairment losses of intangible assets, finite-lived	$ 24.7
Software
Intangible assets subject to amortization:
Weighted average amortizable life in years	10 years
Intangible assets subject to amortization, Gross Carrying Amount	$ 8.1		8.1
Intangible assets subject to amortization, Accumulated Amortization	$ (8.1)		(8.1)
Other
Intangible assets subject to amortization:
Weighted average amortizable life in years	7 years 2 months 12 days
Intangible assets subject to amortization, Gross Carrying Amount	$ 1.0		1.1
Intangible assets subject to amortization, Accumulated Amortization	$ (0.9)		$ (0.9)