Stock And Employee Benefit Plans (Schedule Of Purchases Under The 2000 Purchase Plan) (Details) - $ / shares	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Shares Purchased	54,571	58,479	57,557
Average Purchase Price	$ 64.32	$ 62.05	$ 59.09