Stock And Employee Benefit Plans (Schedule Of Weighted Average Assumptions) (Details)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Dividend yield	0.00%	0.00%	0.00%
Expected volatility	56.40%	56.90%	55.90%
Risk-free interest rate	0.90%	0.90%	1.60%
Expected term (in years)	5 years 2 months 12 days	5 years 1 month 6 days	5 years 1 month 6 days