Stock And Employee Benefit Plans (Schedule Of Weighted Average Assumptions) (Details)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Dividend yield	0.00%	0.00%	0.00%
Expected volatility	36.20%	54.10%	56.40%
Risk-free interest rate	1.70%	1.60%	0.90%
Expected term (in years)	5 years 12 days	5 years 2 months 12 days	5 years 2 months 12 days