Leases - AR PENN Master Lease (Details) $ in Millions	Nov. 01, 2023 USD ($)	May 01, 2023 USD ($)	Feb. 21, 2023 USD ($) extension_period facility	Nov. 01, 2013 facility extension_period	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jan. 14, 2022 USD ($)
Lessee, Lease, Cost [Line Items]
Long-term portion of financing obligations					$ 2,396.5	$ 3,970.7
Property and equipment, net					3,461.3	$ 4,515.5
Derecognition of operating lease liabilities					$ 4,174.8
PENN Master Lease
Lessee, Lease, Cost [Line Items]
Number of facilities with leased real estate | facility			14	19
Lease term				15 years
Number of options to extend lease | extension_period			3	4
Lease renewal term			5 years	5 years
Initial rent			$ 284.1
Adjusted annual escalator percentage			2.00%
Adjusted revenue to rent ratio			1.8
Period over which fixed component is adjusted			5 years
Adjustment to fixed component as percentage of the average change to net revenues during the preceding five years			4.00%
Percentage rent baseline period			5 years
Increase of fixed component of rent		$ 4.7
Long-term portion of financing obligations			$ 1,600.0				$ 455.4
Property and equipment, net			1,100.0
Derecognition of operating lease liabilities			1,200.0
PENN Master Lease | Subsequent Event
Lessee, Lease, Cost [Line Items]
Increase of fixed component of rent	$ 4.2
PENN Master Lease | Building Base Rent
Lessee, Lease, Cost [Line Items]
Initial rent			208.2
PENN Master Lease | Land Base Rent
Lessee, Lease, Cost [Line Items]
Initial rent			43.0
PENN Master Lease | Percentage Rent
Lessee, Lease, Cost [Line Items]
Initial rent			$ 32.9