Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, accumulated amortization	$ (120.7)	$ (99.0)
Amortizing intangible assets, net carrying amount	25.8
Indefinite-lived Intangible Assets [Line Items]
Total other intangible assets, gross carrying amount	1,634.2	2,125.5
Total other intangible assets, net carrying amount	1,513.5	2,026.5
Gaming licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,246.1	1,681.9
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	240.9	302.4
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	104.4
Amortizing intangible assets, accumulated amortization	(85.2)	(69.0)
Amortizing intangible assets, net carrying amount	21.7	35.4
Other
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, gross carrying amount	39.6	36.1
Amortizing intangible assets, accumulated amortization	(35.5)	(30.0)
Amortizing intangible assets, net carrying amount	$ 4.1	$ 6.1