Business and Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013 Hospitals Beds Centers	Mar. 31, 2012	Mar. 31, 2013 Hospitals Beds Centers	Mar. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of acute care hospitals owned and managed	28		28
Number of licensed beds	7,081		7,081
Number of surgery centers	2		2
Corporate office costs	$ 10.0	$ 14.1	$ 43.0	$ 41.0