Income Taxes (Changes in Valuation Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Valuation Allowance [Roll Forward]
Balance at beginning of year	$ 15,310	$ 10,926
Balance at end of year	14,850	15,310
Additions charged to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	1,862	7,484
Reductions credited to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	(1,922)	(2,417)
Currency translation adjustments
Valuation Allowance [Roll Forward]
Change in valuation allowance	$ (400)	$ (683)