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Goodwill and Other Intangible Assets Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Goodwill [Roll Forward]    
Goodwill, Beginning Balance $ 12,470 $ 12,665
Effect of foreign currency changes on goodwill 222 (195)
Goodwill, Ending Balance $ 12,692 $ 12,470