Income Taxes (Schedule Of Deferred Tax Assets And Liabilities Classified As Current And Non-Current) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Income Taxes [Abstract]
Employee liabilities	$ 10,602	$ 10,748
Inventories	10,398	9,811
Provision for warranties	4,691	4,334
Provision for doubtful debts	2,820	1,960
Net operating loss carryforwards	15,432	8,363
Capital loss carryover	2,015	1,247
Stock-based compensation expense	17,460	17,355
Unrealized foreign exchange losses	1,912
Other	4,070	1,337
Deferred tax assets, Gross	69,400	55,155
Less valuation allowance	(9,671)	(5,910)
Deferred tax assets	59,729	49,245
Unrealized foreign exchange gains		(5,369)
Property, plant and equipment	(1,560)	(1,573)
Goodwill and other intangibles	(10,086)	(9,129)
Deferred tax liabilities	(11,646)	(16,071)
Net deferred tax asset	$ 48,083	$ 33,174