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Business Combinations - Net Cash Paid for Acquisitions (Details) - Hospital Sisters Health System And Covenant Health - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Business Acquisition [Line Items]
Fair value of assets acquired	$ 0.0	$ 0.0	$ 9.4	$ 0.0
Goodwill	0.0	0.0	7.5	0.0
Fair value of noncontrolling interest owned by joint venture partner	0.0	0.0	(16.9)	0.0
Net cash paid for acquisitions	$ 0.0	$ 0.0	$ 0.0	$ 0.0

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The fair value of assets acquired in noncash investing or financing activities.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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