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Warranty (Tables)
 9 Months Ended
Apr. 30, 2013
Warranty [Abstract]  
Reconciliation Of Warranty Reserves

 

 

 

 

 

 

 

 

 

 

April 30,

 

 

 

2013

 

2012

 

Beginning balance

 

$

10,905

 

$

19,720

 

Accruals for warranties issued during the reporting period

 

 

5,479

 

 

4,188

 

Accruals related to pre-existing warranties (including changes in estimates)

 

 

(105

)

 

(1,416

)

Less settlements made during the period

 

 

(3,538

)

 

(7,841

)

Ending balance

 

$

12,741

 

$

14,651