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Inventories
3 Months Ended
Oct. 31, 2011
Inventories [Abstract] 
Inventories
3. Inventories

Major classifications of inventories are:

 

         October 31, 2011                  July 31, 2011        

Raw materials

        $ 101,910             $ 104,360   

Chassis

      39,154           46,548   

Work in process

      50,162           48,575   

Finished goods

      21,063           14,179   
  

 

 

       

 

 

  

Total

      212,289           213,662   

Excess of FIFO costs over LIFO costs

      (29,164)           (29,164)   
  

 

 

       

 

 

  

Total inventories

        $ 183,125             $ 184,498   
  

 

 

       

 

 

  
       

Of the $212,289 of inventory at October 31, 2011, all but $32,886 at certain subsidiaries are valued on a last-in, first-out basis. The $32,886 of inventory is valued on a first-in, first-out method.