Income Taxes (Changes in Valuation Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Valuation Allowance [Roll Forward]
Balance at beginning of year	$ 14,850	$ 15,310
Balance at end of year	14,969	14,850
Additions charged to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	1,251	1,862
Reductions credited to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	(1,345)	(1,922)
Currency translation adjustments
Valuation Allowance [Roll Forward]
Change in valuation allowance	$ 213	$ (400)