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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Jun. 30, 2018
Income Tax Disclosure [Abstract]          
Deferred tax assets, valuation allowance $ 13,298   $ 13,298   $ 12,716
Tax credit carryforwards, foreign $ 761   $ 761    
Effective income tax rate reconciliation, percent 24.80% 27.10% 23.40% 76.20%  
Percentage of differences in effected tax rate and blended statutory tax rate   28.00%   28.00%