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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized tax benefits, beginning balance $ 11,653 $ 11,359 $ 11,600
Decrease related to prior year tax positions     (225)
Increase related to prior year tax positions 7,180 174 288
Increase related to current year tax positions 233   254
Lapse of statute of limitations (153) 120 (158)
Settlements with tax authorities     (400)
Unrecognized tax benefits, ending balance $ 18,913 $ 11,653 $ 11,359