Income Taxes (Schedule Of Deferred Tax Assets And Liabilities Classified As Current And Non-Current) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Income Taxes [Abstract]
Employee liabilities	$ 10,748	$ 8,012
Inventories	9,811	4,837
Provision for warranties	4,334	4,701
Provision for doubtful debts	1,960	3,239
Net operating loss carryforwards	8,363	3,704
Capital loss carryover	1,247	360
Stock-based compensation expense	17,355	17,938
Other	1,337	739
Deferred tax assets, Gross	55,155	43,530
Less valuation allowance	(5,910)	(2,066)
Deferred tax assets	49,245	41,464
Unrealized foreign exchange gains	(5,369)	(6,036)
Property, plant and equipment	(1,573)	(1,148)
Goodwill and other intangibles	(9,129)	(10,174)
Deferred tax liabilities	(16,071)	(17,358)
Net deferred tax asset	$ 33,174	$ 24,106