Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (123.6)	$ (120.7)
Total	26.7
Total other intangible assets, gross carrying amount	1,655.3	1,634.2
Total other intangible assets, net carrying amount	1,531.7	1,513.5
Gaming licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,263.4	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	106.1	106.9
Accumulated Amortization	(87.4)	(85.2)
Total	18.7	21.7
Other
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, gross carrying amount	44.2	39.6
Accumulated Amortization	(36.2)	(35.5)
Total	$ 8.0	$ 4.1