Note 4. Accumulated Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	$ 312,449
Other comprehensive income (loss) before reclassifications	(1,515)	$ (3,642)
Reclassification to (earnings) loss	443	(1,080)
Net current-period other comprehensive income (loss)	(1,072)	(4,722)
Accumulated other comprehensive income (loss), ending balance	316,225
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	(12,247)	1,619
Accumulated other comprehensive income (loss), ending balance	(13,319)	(3,103)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	(9,113)	4,925
Other comprehensive income (loss) before reclassifications	224	(5,586)
Reclassification to (earnings) loss	0	0
Net current-period other comprehensive income (loss)	224	(5,586)
Accumulated other comprehensive income (loss), ending balance	(8,889)	(661)
Derivative Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	(3,557)	(3,406)
Other comprehensive income (loss) before reclassifications	(1,809)	1,877
Reclassification to (earnings) loss	463	(1,083)
Net current-period other comprehensive income (loss)	(1,346)	794
Accumulated other comprehensive income (loss), ending balance	(4,903)	(2,612)
Postemployment Benefits, Prior Service Costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	(18)	(35)
Other comprehensive income (loss) before reclassifications	0	0
Reclassification to (earnings) loss	18	6
Net current-period other comprehensive income (loss)	18	6
Accumulated other comprehensive income (loss), ending balance	0	(29)
Postemployment Benefits, Net Actuarial Gain
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	441	135
Other comprehensive income (loss) before reclassifications	70	67
Reclassification to (earnings) loss	(38)	(3)
Net current-period other comprehensive income (loss)	32	64
Accumulated other comprehensive income (loss), ending balance	$ 473	$ 199