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Commitment And Contingencies (Schedule Of Change In Carrying Value Of Warranty Reserve) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Contingencies And Commitments [Line Items]  
Balance - Beginning of Period $ 1,247
Payments made during the period (358)
Additional warranty liability recorded during the period 365
Balance - End of Period $ 1,254