Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Compensation Expense And Tax Benefits Recorded) (Details) - Stock Settled Stock Appreciation Rights SARS [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 2,455	$ 1,882	$ 1,472
Tax benefits	690	659	515
Intrinsic value of exercises	2,381	2,281	3,788
Excess tax benefits	$ 669	$ 798	$ 1,341