Stock And Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Recognized tax benefit related to stock compensation expense	$ 3.1	$ 3.8	$ 3.5
Unearned stock-based compensation expense related to unvested awards	25.7
Recognition term of unearned stock-based compensation expense, in years	3 years
Employer contributions to plan	$ 8.6	$ 6.1	$ 5.2
2001 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	2,000,000
2010, 2007, and 2005 Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	9,000,000
ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,800,000