Investments in and Advances to Nonconsolidated Affiliates - Combined Assets, Liabilities and Equity (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Current		$ 921.4	$ 948.6
Total assets	[1]	6,864.9	6,445.9
Liabilities and Shareholders’ Equity
Current liabilities		748.8	717.3
Partners’ capital and shareholders’ equity—
Encompass Health shareholders’ equity		1,911.3	1,588.0
Noncontrolling interests		445.7	382.0
Total liabilities and equity	[1]	6,864.9	6,445.9
Net operating revenues		5,121.6	4,644.4	$ 4,605.0
Operating expenses		(4,315.1)	(3,999.4)	(3,912.5)
Income from continuing operations		517.6	368.8	446.4
Net and comprehensive income		517.2	368.8	445.8
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Assets
Current		3.0	2.9
Noncurrent		4.2	7.7
Total assets		7.2	10.6
Liabilities and Shareholders’ Equity
Current liabilities		0.2	0.3
Noncurrent liabilities		0.0	0.2
Partners’ capital and shareholders’ equity—
Encompass Health shareholders’ equity		2.3	3.5
Noncontrolling interests		4.7	6.6
Total liabilities and equity		7.2	10.6
Net operating revenues		11.1	16.0	32.6
Operating expenses		(3.1)	(8.1)	(19.1)
Income from continuing operations		8.0	7.9	13.4
Net and comprehensive income		$ 8.0	$ 7.9	$ 13.4

[1] Our consolidated assets as of December 31, 2021 and December 31, 2020 include total assets of variable interest entities of $226.2 million and $221.2 million, respectively, which cannot be used by us to settle the obligations of other entities. Our consolidated liabilities as of December 31, 2021 and December 31, 2020 include total liabilities of the variable interest entities of $38.2 million and $46.8 million, respectively. See Note 3, Variable Interest Entities.