COVID-19 Pandemic (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Jul. 01, 2021	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Unusual or Infrequent Item, or Both [Line Items]
Revenue from government grants			$ 10.0	$ 1.7	$ 5.9
CARES Act
Unusual or Infrequent Item, or Both [Line Items]
Proceeds from recoupment of accelerated/advanced payments			3.1	20.8
Employer portion of payroll taxes delayed					72.7
Payment of payroll taxes		$ 31.6		31.6
Employee Retention Credit, Amount Recognized			9.4	9.9
Employee retention credit, amount received			4.6
CARES Act | Prepaid Expenses and Other Current Assets
Unusual or Infrequent Item, or Both [Line Items]
Employee retention credit, amount received			14.7	6.5
CARES Act | Accelerated and Advance Payment Program
Unusual or Infrequent Item, or Both [Line Items]
Amount received from Accelerated and Advance Payment Program					87.5
Loans Insured or Guaranteed by US Government Authorities | CARES Act
Unusual or Infrequent Item, or Both [Line Items]
Relief received from Provider Relief Fund			$ 61.1	$ 0.8	109.8
Health Care Services | CARES Act | Accelerated and Advance Payment Program
Unusual or Infrequent Item, or Both [Line Items]
Amount received from Accelerated and Advance Payment Program					75.2
CCRC Venture | CARES Act | Accelerated and Advance Payment Program
Unusual or Infrequent Item, or Both [Line Items]
Amount received from Accelerated and Advance Payment Program					$ 12.3
Securities Purchase Agreement | HCA Healthcare, Inc. | Health Care Services
Unusual or Infrequent Item, or Both [Line Items]
Percentage of ownership sold in transaction	80.00%
Medicare advance payments	$ 63.6
Employer portion of payroll taxes delayed	$ 9.6