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Business Combinations - Textual (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2010
Nov. 30, 2011
Drake Center [Member]
Jun. 01, 2010
Desert Canyon [Member]
Sep. 20, 2010
Sugar Land [Member]
Sep. 30, 2010
Ft Smith [Member]
Business Acquisition (Textual) [Abstract]          
Purchase Price of Acquisition $ 43.2        
Increase in Goodwill from Acquisition 12.6 1.4      
Percentage of Assets and Operations Acquired     100.00% 100.00% 100.00%
Number of Hospital Beds Acquired   40 50 50 30
Amount of Acquisition Funded With Cash         $ 1.2