Inventories (Tables)
 6 Months Ended
Jan. 31, 2015
Inventories [Abstract]  
Components Of Inventory

 

 

 

 

 

 

January 31,

 

July 31,

 

 

2015

 

2014

 

Raw materials

$          110,783

 

$          112,522

 

Work in process
28,836 

 
17,256 

 

Finished products
132,388 

 
123,573 

 

Total inventories

$          272,007

 

$          253,351