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Balance Sheet Components - Product Warranty Accrual (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning balance	$ 664	$ 1,275	$ 1,094
Addition	1,617	186	929
Utilization	(725)	(797)	(748)
Ending balance	$ 1,556	$ 664	$ 1,275

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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