Business and Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012 Hospitals Beds Centers	Sep. 30, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of acute care hospitals owned and managed	28
Number of licensed beds	7,064
Number of surgery centers	2
Corporate office costs	$ 14.8	$ 13.9