Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,020.5	$ 3,526.8
Accumulated depreciation	(1,168.6)	(988.4)
Subtotal	2,851.9	2,538.4
Operating lease right-of-use assets	23.0	22.8
Total	$ 2,874.9	$ 2,561.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Grandstands and buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,258.0	$ 1,460.6
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	847.5	685.2
Tracks and other improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	411.1	369.2
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	164.3	162.9
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	199.3	180.4
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 140.3	$ 668.5