Business Combinations - Textual (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended	3 Months Ended				3 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2013 Walton Rehabilitation Hospital [Member]	Apr. 30, 2013 Walton Rehabilitation Hospital [Member]	Apr. 30, 2012 Andalusia [Member]	Jul. 31, 2012 CHRISTUS Santa Rosa [Member]	Dec. 31, 2011 Drake Center [Member]	Nov. 30, 2011 Drake Center [Member]
Business Acquisition (Textual) [Abstract]
Number of Hospital Beds Acquired					58	12	34		40
Goodwill, Acquisitions	$ 13.7	$ 0	$ 1.4	$ 13.7				$ 1.4

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Name:	us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration