Segment Reporting - Table 2 (Details) - USD ($) $ in Millions	Sep. 30, 2017		Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 4,883.4	[1]	$ 4,681.9
Investments in and advances to nonconsolidated affiliates	12.6		13.0
Inpatient Rehabilitation Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	3,812.4		3,629.6
Investments in and advances to nonconsolidated affiliates	10.0		10.6
Home Health and Hospice Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,141.4		1,123.7
Investments in and advances to nonconsolidated affiliates	$ 2.6		$ 2.4

[1] Our consolidated assets as of September 30, 2017 and December 31, 2016 include total assets of variable interest entities of $262.7 million and $262.3 million, respectively, which cannot be used by us to settle the obligations of other entities. Our consolidated liabilities as of September 30, 2017 and December 31, 2016 include total liabilities of the variable interest entities of $53.9 million and $50.3 million, respectively. See Note 3, Variable Interest Entities.