Shareholders' Equity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Beginning Balance	$ (1,615)
Other comprehensive income (loss)	(25)	$ 73	$ 6
Net current-period other comprehensive income (loss), net of taxes	(58,233)	629	(1,358)
Net current-period other comprehensive income (loss), net of taxes	(58,556)	1,806	1,148
Ending Balance	(60,171)	(1,615)
Foreign currency translation adjustment
Beginning Balance	989	360	1,718
Other comprehensive income (loss)	(58,233)	629	(1,358)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	(58,233)	629	(1,358)
Ending Balance	(57,244)	989	360
Unrealized gain (loss) on securities available for sale
Beginning Balance	21	(52)	(58)
Other comprehensive income (loss)	(25)	73	6
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Net current-period other comprehensive income (loss), net of taxes	(25)	73	6
Ending Balance	(4)	21	(52)
Postemployment benefits
Beginning Balance	(2,625)	(3,729)	(6,229)
Other comprehensive income (loss)	(472)	871	1,967
Amounts reclassified from accumulated other comprehensive income (loss)	174	233	533
Net current-period other comprehensive income (loss), net of taxes	(298)	1,104	2,500
Ending Balance	(2,923)	(2,625)	(3,729)
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(1,615)	(3,421)	(4,569)
Other comprehensive income (loss)	(58,730)	1,573	615
Amounts reclassified from accumulated other comprehensive income (loss)	174	233	533
Net current-period other comprehensive income (loss), net of taxes	(58,556)	1,806	1,148
Ending Balance	$ (60,171)	$ (1,615)	$ (3,421)