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Change in Carrying Value of Warranty Reserve (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2013
Contingencies And Commitments [Line Items]
Balance - Beginning of Period	$ 1,247
Payments made during the period	(1,163)
Additional warranty liability recorded during the period	1,128
Balance - End of Period	$ 1,212

- Definition

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.

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