Goodwill and Intangibles, net - Definite Lived Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 105.3	$ 105.5
Accumulated Amortization	(24.3)	(22.5)
Net	$ 81.0	83.0
Trade names
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Original Useful Life	13 years
Gross Carrying Amount	$ 24.2	24.2
Accumulated Amortization	(7.1)	(6.6)
Net	$ 17.1	17.6
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Original Useful Life	10 years
Gross Carrying Amount	$ 48.3	48.6
Accumulated Amortization	(14.1)	(13.1)
Net	$ 34.2	35.5
Channel sharing arrangements
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Original Useful Life	35 years
Gross Carrying Amount	$ 27.2	27.2
Accumulated Amortization	(1.1)	(0.9)
Net	$ 26.1	26.3
Other
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Original Useful Life	7 years
Gross Carrying Amount	$ 5.6	5.5
Accumulated Amortization	(2.0)	(1.9)
Net	$ 3.6	$ 3.6