Shareholders' Equity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Beginning Balance	$ (60,171)
Other comprehensive income (loss)	(34)	$ (25)	$ 73
Net current-period other comprehensive income (loss), net of taxes	(24,441)	(58,233)	629
Net current-period other comprehensive income (loss), net of taxes	(25,375)	(58,556)	1,806
Ending Balance	(85,546)	(60,171)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Amounts reclassified from accumulated other comprehensive income (loss)	315	174	233
Foreign currency translation adjustment
Beginning Balance	(57,244)	989	360
Other comprehensive income (loss)	(24,441)	(58,233)	629
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	(24,441)	(58,233)	629
Ending Balance	(81,685)	(57,244)	989
Unrealized gain (loss) on securities available for sale
Beginning Balance	(4)	21	(52)
Other comprehensive income (loss)	(34)	(25)	73
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	(34)	(25)	73
Ending Balance	(38)	(4)	21
Postemployment benefits
Beginning Balance	(2,923)	(2,625)	(3,729)
Other comprehensive income (loss)	(1,215)	(472)	871
Net current-period other comprehensive income (loss), net of taxes	(900)	(298)	1,104
Ending Balance	(3,823)	(2,923)	(2,625)
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(60,171)	(1,615)	(3,421)
Other comprehensive income (loss)	(25,690)	(58,730)	1,573
Net current-period other comprehensive income (loss), net of taxes	(25,375)	(58,556)	1,806
Ending Balance	$ (85,546)	$ (60,171)	$ (1,615)