Summary Of Signficant Accounting Policies - Computation of Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Summary Of Significant Accounting Policies [Abstract]
Basic	7,782	7,595	7,423
Stock options	86	120	255
Long-term incentive plan	18	50	30
Potential common shares, total	104	170	285
Diluted	7,886	7,765	7,708
Anti-dilutive shares		26