Note 11. Derivative Instruments - The Effect of Derivative Instruments on Consolidated Statements of Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Derivative Instruments, Gain (Loss)
Total Derivative Pre-Tax Gain (Loss) Recognized in Income	$ 918	$ (1,726)	$ 1,586
Derivatives Not Designated as Hedging Instruments, Pre-Tax Gain (Loss) Recognized in Income	1,987	(3,281)	1,348
Foreign Exchange Contract | Non-operating income/expense
Derivative Instruments, Gain (Loss)
Derivatives Not Designated as Hedging Instruments, Pre-Tax Gain (Loss) Recognized in Income	2,513	(4,322)	1,355
Stock Warrant | Non-operating income/expense
Derivative Instruments, Gain (Loss)
Derivatives Not Designated as Hedging Instruments, Pre-Tax Gain (Loss) Recognized in Income	(526)	1,041	(7)
Cash Flow Hedging
Derivative Instruments, Gain (Loss)
Derivatives, Pre-Tax Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	(1,052)	1,553	194
Cash Flow Hedging | Foreign Exchange Contract | Net Sales
Derivative Instruments, Gain (Loss)
Derivatives, Pre-Tax Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	0	0	15
Cash Flow Hedging | Foreign Exchange Contract | Cost of Sales
Derivative Instruments, Gain (Loss)
Derivatives, Pre-Tax Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	(1,415)	1,674	143
Cash Flow Hedging | Foreign Exchange Contract | Non-operating income/expense
Derivative Instruments, Gain (Loss)
Derivatives, Pre-Tax Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	363	(121)	36
Derivatives, Pre-Tax Gain (Loss) Reclassified from Accumulated OCI into Income, Ineffective Portion	$ (17)	$ 2	$ 44