Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (122.9)	$ (120.7)
Total	23.9
Total other intangible assets, gross carrying amount	1,634.8	1,634.2
Total other intangible assets, net carrying amount	1,511.9	1,513.5
Gaming licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,246.4	1,246.1
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	240.9	240.9
Other
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	0.7	0.7
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, gross carrying amount	106.9	106.9
Accumulated Amortization	(86.7)	(85.2)
Total	20.2	21.7
Other
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, gross carrying amount	39.9	39.6
Accumulated Amortization	(36.2)	(35.5)
Total	$ 3.7	$ 4.1