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Balance Sheet Components (Other Current Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2011
Schedule Of Accrued Liabilities [Line Items]
Accrued compensation and benefits	$ 2,753	$ 2,657
Accrued accounts payable	265	6,636
Accrual for an export compliance matter	1,625	1,625
Warranty accrual	1,765	1,381	999	806
Other accruals	3,623	4,732
Total accrued liabilities	$ 10,031	$ 17,031

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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