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Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Compensation Expense And Tax Benefits Recorded) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Excess tax benefits $ 1,417 $ 563 $ 1,020
Stock Settled Stock Appreciation Rights SARS [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense 1,472 1,288 1,092
Tax benefits 515 451 382
Intrinsic value of exercises 3,788 1,162 2,692
Excess tax benefits $ 1,341 $ 410 $ 942