Contingencies and Healthcare Regulation (Professional and General Liability Insurance) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2010
Professional and general liability insurance [Member]
Self Insurance Reserve [Line Items]
Third party maximum coverage amount	$ 65.0
Annual self-insured retention amount			15.0		10.0
Increase (decrease) in self insurance reserve	(9.6)	(4.6)	(3.4)	2.5
Increase (decrease) in self insurance reserve, net of taxes	(5.9)	(2.8)	(2.1)	1.5
Increase (decrease) in self insurance reserve, per diluted share	$ (0.07)	$ (0.04)	$ (0.03)	$ 0.02
Workers compensation insurance [Member]
Self Insurance Reserve [Line Items]
Increase (decrease) in self insurance reserve	(1.5)		(3.7)
Increase (decrease) in self insurance reserve, net of taxes	$ (0.9)		$ (2.3)
Increase (decrease) in self insurance reserve, per diluted share	$ (0.01)		$ (0.02)