Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, accumulated amortization	$ (99.0)	$ (100.8)
Amortizing intangible assets, net carrying amount	41.5
Indefinite-lived Intangible Assets [Line Items]
Total other intangible assets, gross carrying amount	2,125.5	1,957.7
Total other intangible assets, net carrying amount	2,026.5	1,856.9
Gaming licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,681.9	1,498.3
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	302.4	298.0
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	104.4	98.8
Amortizing intangible assets, accumulated amortization	(69.0)	(51.5)
Amortizing intangible assets, net carrying amount	35.4	47.3
Other
Finite-Lived Intangible Assets [Line Items]
Amortizing intangible assets, gross carrying amount	36.1	61.9
Amortizing intangible assets, accumulated amortization	(30.0)	(49.3)
Amortizing intangible assets, net carrying amount	$ 6.1	$ 12.6