Shareholders' Equity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Beginning Balance	$ (85,546)
Other comprehensive income (loss), Unrealized Gain (Loss) on securities available for sale, Net of Tax	59	$ (34)	$ (25)
Amounts reclassified from accumulated other comprehensive income (loss)	308	315	174
Net current-period other comprehensive income (loss), net of taxes	2,238	(24,441)	(58,233)
Net current-period other comprehensive income	3,844	(25,375)	(58,556)
Ending Balance	(81,702)	(85,546)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Beginning Balance	(81,685)	(57,244)	989
Other comprehensive income (loss), foreign currency translation adjustment, net of tax	2,238	(24,441)	(58,233)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	2,238	(24,441)	(58,233)
Ending Balance	(79,447)	(81,685)	(57,244)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Beginning Balance	(38)	(4)	21
Other comprehensive income (loss), Unrealized Gain (Loss) on securities available for sale, Net of Tax	59	(34)	(25)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	59	(34)	(25)
Ending Balance	21	(38)	(4)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Beginning Balance	(3,823)	(2,923)	(2,625)
Other Comprehensive Income (Loss), Defined Benefit Plan, before Reclassification Adjustment, after Tax	1,239	(1,215)	(472)
Net current-period other comprehensive income (loss), net of taxes	1,547	(900)	(298)
Ending Balance	(2,276)	(3,823)	(2,923)
AOCI Attributable to Parent [Member]
Beginning Balance	(85,546)	(60,171)	(1,615)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3,536	(25,690)	(58,730)
Net current-period other comprehensive income	3,844	(25,375)	(58,556)
Ending Balance	$ (81,702)	$ (85,546)	$ (60,171)