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Warranty (Tables)
 9 Months Ended
Apr. 30, 2012
Warranty [Abstract]  
Reconciliation Of Warranty Reserves

 

 

 

 

 

 

 

 

 

 

April 30,

 

 

 

2012

 

2011

 

Balance at beginning of year

 

$

19,720

 

$

15,707

 

Accruals for warranties issued during the reporting period

 

 

4,188

 

 

5,175

 

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

 

 

(1,416

)

 

5,981

 

Less settlements made during the period

 

 

(7,841

)

 

(8,347

)

Balance at end of period

 

$

14,651

 

$

18,516