Income Taxes (Schedule Of Deferred Tax Assets And Liabilities Classified As Current And Non-Current) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Income Taxes [Abstract]
Employee liabilities	$ 11,606	$ 10,602
Inventories	10,457	10,398
Provision for warranties	2,752	4,691
Provision for doubtful debts	2,985	2,820
Net operating loss carryforwards	14,554	15,432
Capital loss carryover	1,908	2,015
Stock-based compensation expense	17,268	17,460
Unrealized foreign exchange losses	688	1,912
Other	4,253	4,070
Deferred tax assets, Gross	66,471	69,400
Less valuation allowance	(15,573)	(9,671)
Deferred tax assets	50,898	59,729
Property, plant and equipment	(1,892)	(1,560)
Goodwill and other intangibles	(9,776)	(10,086)
Deferred tax liabilities	(11,668)	(11,646)
Net deferred tax asset	$ 39,230	$ 48,083