Property and Equipment - Property and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 3,514.0		$ 4,515.5
PENN Master Lease
Property, Plant and Equipment [Line Items]
Property and equipment, net		$ 1,100.0
Property and equipment - Not Subject to Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,000.7		2,735.6
Less: Accumulated depreciation	(1,813.7)		(1,708.3)
Property and equipment, net	1,187.0		1,027.3
Land and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	137.2		137.1
Building, vessels, and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	323.2		324.6
Furniture, fixtures, and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,846.3		1,753.6
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	521.2		353.5
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	172.8		166.8
Property and equipment - Subject to Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,018.4		5,163.2
Less: Accumulated depreciation	(691.4)		(1,675.0)
Property and equipment, net	2,327.0		3,488.2
Land and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,427.1		1,523.2
Building, vessels, and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,591.3		$ 3,640.0