Property and Equipment - Property and Equipment, Net (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 5,155.2	$ 5,297.1	$ 6,868.8
Operating Leases - Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, net		(1,407.4)
Finance Leases - Dayton and Mahoning Valley
Property, Plant and Equipment [Line Items]
Property and equipment, net		(164.3)
Property and equipment - non-Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,585.9		2,431.2
Less: Accumulated depreciation	(1,524.8)		(1,400.2)
Property and equipment, net	1,061.1		1,031.0
Land and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	353.3		344.0
Building, vessels and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	410.7		343.0
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,585.2		1,565.8
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	178.4		152.9
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	58.3		25.5
Property and equipment - Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,185.0		6,816.0
Less: Accumulated depreciation	(1,090.9)		(978.2)
Property and equipment, net	4,094.1		5,837.8
Land and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,525.9		2,971.0
Land and improvements | Operating Leases - Master Leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross		(1,400.0)
Building, vessels and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,659.1		$ 3,845.0
Building, vessels and improvements | Finance Leases - Dayton and Mahoning Valley
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ (180.4)