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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
	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition [Line Items]
Fair value of assets acquired	$ 9.4	$ 0.0
Goodwill	7.5	0.0
Fair value of noncontrolling interest owned by joint venture partner	(16.9)	0.0
Net cash paid for acquisitions	$ 0.0	$ 0.0

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Business Combination, Noncontrolling Interest, Fair Value

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