Note 8. Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Deferred Tax Assets
Deferred Tax Assets, Receivables	$ 1,492	$ 1,420
Deferred Tax Assets, Inventory	2,009	2,409
Deferred Tax Assets, Employee Benefits	640	608
Deferred Tax Assets, Deferred Compensation	12,885	12,092
Deferred Tax Assets, Other Current Liabilities	1,313	1,583
Deferred Tax Assets, Warranty Reserves	767	698
Deferred Tax Assets, Tax Credit Carryforwards	2,734	6,272
Deferred Tax Assets, Restructuring	107	3,173
Deferred Tax Assets, Goodwill	3,510	4,011
Deferred Tax Assets, Net Operating Loss Carryforwards	5,698	5,749
Deferred Tax Assets, Miscellaneous	4,322	2,698
Deferred Tax Assets, Valuation Allowance	(1,911)	(6,698)
Deferred Tax Assets	33,566	34,015
Deferred Tax Liabilities
Deferred Tax Liabilities, Property and Equipment	10,075	6,986
Deferred Tax Liabilities, Capitalized Software	62	115
Deferred Tax Liabilities, Net Foreign Currency Gains	0	1,677
Deferred Tax Liabilities, Miscellaneous	494	597
Deferred Tax Liabilities, Net	10,631	9,375
Deferred Tax Assets, Net	$ 22,935	$ 24,640