Income Taxes (Changes in Valuation Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Valuation Allowance [Roll Forward]
Balance at beginning of year	$ 20,831	$ 20,712
Balance at end of year	34,912	20,831
Additions charged to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	17,773	1,251
Reductions credited to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	(3,231)	(1,345)
Currency translation adjustments
Valuation Allowance [Roll Forward]
Change in valuation allowance	$ (461)	$ 213