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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]      
Balance at beginning of year $ 3,106 $ 14,619 $ 20,366
Increases for tax positions of prior years 0 1,197 0
Decreases for tax positions of prior years 0 0 (3,188)
Decreases related to settlement with taxing authority (231) (11,942) (348)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations (184) (667) (398)
Foreign currency translation (59) (101) (1,813)
Balance at end of year $ 2,632 $ 3,106 $ 14,619