Note 6. Derivative Instruments - Fair Values of Derivative Instruments on the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Derivatives, Fair Value
Derivative Asset	$ 921	$ 1,810
Derivative Liability	4,053	2,928
Foreign Exchange Contract | Fair Value, Measurements, Recurring
Derivatives, Fair Value
Derivative Asset	921	1,810
Derivative Liability	4,053	2,928
Designated as Hedging Instrument | Foreign Exchange Contract | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value
Derivative Asset	909	1,810
Designated as Hedging Instrument | Foreign Exchange Contract | Accrued Liabilities
Derivatives, Fair Value
Derivative Liability	2,737	2,009
Not Designated as Hedging Instrument | Foreign Exchange Contract | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value
Derivative Asset	12	0
Not Designated as Hedging Instrument | Foreign Exchange Contract | Accrued Liabilities
Derivatives, Fair Value
Derivative Liability	$ 1,316	$ 919