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Commitments And Contingencies (Schedule Of Change In Carrying Value Of Warranty Reserve) (Details) (USD $)
In Thousands
3 Months Ended
Sep. 30, 2011
Commitments And Contingencies [Abstract] 
Balance - Beginning of Period$ 1,187
Payments made during the period(277)
Additional warranty liability recorded during the period371
Balance - End of Period$ 1,281