Stock And Employee Benefit Plans (Schedule Of Stock Options Outstanding) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Outstanding, Number of Options	3,332,803	3,159,437
Exercisable, Number of Options	1,264,967
Outstanding, Weighted-Average Exercise Price	$ 48.58	$ 39.40
Expected to vest, Weighted-Average Exercise Price	$ 57.49
Outstanding, Weighted-Average Remaining Contractual Life In Years	5 years 7 months 6 days	5 years 7 months 6 days
Exercisable, Weighted-Average Remaining Contractual Life In Years	4 years 1 month 6 days
Outstanding, Aggregate Intrinsic Value	$ 52.2	$ 79.0
Expected to vest, Aggregate Intrinsic Value	$ 14.3