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Segment Reporting - Reconciliation of Segment Assets and Investments to Consolidated Amounts (Details) - USD ($) $ in Millions		Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[1]	$ 6,080.7	$ 5,175.0
Investments in and advances to nonconsolidated affiliates		7.4	12.2
Inpatient Rehabilitation
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		4,501.4	3,900.9
Investments in and advances to nonconsolidated affiliates		2.0	9.5
Home Health and Hospice Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		1,612.8	1,314.6
Investments in and advances to nonconsolidated affiliates		$ 5.4	$ 2.7
[1] Our consolidated assets as of December 31, 2019 and December 31, 2018 include total assets of variable interest entities of $215.0 million and $197.5 million, respectively, which cannot be used by us to settle the obligations of other entities. Our consolidated liabilities as of December 31, 2019 and December 31, 2018 include total liabilities of the variable interest entities of $41.1 million and $50.8 million, respectively. See Note 3, Variable Interest Entities.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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