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, 2020	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 3,049	$ 3,074	$ 2,455
Tax benefits	640	646	690
Intrinsic value of exercises	$ 6,693	$ 6,008	$ 2,381