Balance Sheet Accounts (Schedule of Deferred Distributors Revenue) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Deferred Revenue Arrangement [Line Items]
Deferred revenue	$ 37,291	$ 39,328
Total deferred distributors revenue, net of cost of sales to distributors	15,752	15,319
Distributors
Deferred Revenue Arrangement [Line Items]
Deferred revenue	20,737	20,361
Deferred cost of sales	(4,985)	(5,042)
Total deferred distributors revenue, net of cost of sales to distributors	$ 15,752	$ 15,319