Segment Reporting Segment Reporting - Table 2 (Details) - USD ($) $ in Millions	Jun. 30, 2016		Dec. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 4,632.6	[1]	$ 4,606.1
Investments in and advances to nonconsolidated affiliates	13.6		11.7
Inpatient Rehabilitation Hospital [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	3,612.4		3,589.0
Investments in and advances to nonconsolidated affiliates	10.8		9.3
Home Health and Hospice [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,091.5		1,088.4
Investments in and advances to nonconsolidated affiliates	$ 2.8		$ 2.4

[1] (1) Our consolidated assets as of June 30, 2016 include total assets of variable interest entities of $255.3 million, which cannot be used by us to settle the obligations of other entities. Our consolidated liabilities as of June 30, 2016 include total liabilities of the variable interest entities of $54.6 million. See Note 3, Variable Interest Entities.