Note 5. Accumulated Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) at beginning of period	$ 1,229	$ 2,440
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	143	(3,493)
Reclassification to (earnings) loss	(70)	(1,024)
Net current-period other comprehensive income (loss)	73	(4,517)
Accumulated Other Comprehensive Income (Loss) at end of period	1,302	(2,077)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) at beginning of period	0	4,909
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(5,586)
Reclassification to (earnings) loss	0	0
Net current-period other comprehensive income (loss)	0	(5,586)
Accumulated Other Comprehensive Income (Loss) at end of period	0	(677)
Derivative Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) at beginning of period	0	(3,411)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	1,883
Reclassification to (earnings) loss	0	(1,079)
Net current-period other comprehensive income (loss)	0	804
Accumulated Other Comprehensive Income (Loss) at end of period	0	(2,607)
Postemployment Benefits, Prior Service Costs
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) at beginning of period	0	(120)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Reclassification to (earnings) loss	0	43
Net current-period other comprehensive income (loss)	0	43
Accumulated Other Comprehensive Income (Loss) at end of period	0	(77)
Postemployment Benefits, Net Actuarial Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) at beginning of period	1,229	1,062
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	143	210
Reclassification to (earnings) loss	(70)	12
Net current-period other comprehensive income (loss)	73	222
Accumulated Other Comprehensive Income (Loss) at end of period	$ 1,302	$ 1,284