Long-term Debt - Schedule of Notes Payable (Details) - Other notes payable - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Notes payable	$ 49.6	$ 39.8
Sale/leaseback transactions involving real estate accounted for as financings
Debt Instrument [Line Items]
Notes payable	28.0	28.0
Construction of a new hospital \| LIBOR
Debt Instrument [Line Items]
Notes payable	$ 11.0	$ 11.8
Effective interest rate (percent)	5.00%	5.00%
Software contracts
Debt Instrument [Line Items]
Notes payable	$ 10.6	$ 0.0
Minimum \| Sale/leaseback transactions involving real estate accounted for as financings
Debt Instrument [Line Items]
Effective interest rate (percent)	6.10%	6.10%
Maximum \| Sale/leaseback transactions involving real estate accounted for as financings
Debt Instrument [Line Items]
Effective interest rate (percent)	11.20%	11.20%
Maximum \| Software contracts
Debt Instrument [Line Items]
Effective interest rate (percent)	2.80%	2.80%

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant