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Income Taxes (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Valuation Allowance [Line Items]
Undistributed earnings of foreign subsidiaries	$ 227,084
Recognized interest and penalties expense (income)	203	$ 116	$ (980)
Uncertain tax positions reversal in future period	$ 1,472
Federal income tax rate	28.10%	35.00%	35.00%
Remeasurement of deferred tax assets and liabilities to reflect the reduced income tax rate	$ 2,289
One time transition tax expense deemed repatriation	$ 403
Previous year
Valuation Allowance [Line Items]
Federal income tax rate	35.00%
Current year
Valuation Allowance [Line Items]
Federal income tax rate	21.00%
Fiscal year beginning July 1, 2018
Valuation Allowance [Line Items]
Federal income tax rate	21.00%
State Jurisdiction
Valuation Allowance [Line Items]
Net operating loss carry forwards	$ 23,038
Foreign Jurisdiction
Valuation Allowance [Line Items]
Net operating loss carry forwards	$ 11,630

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