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Stock Issuance and Stock Repurchase Program (Tables)
 9 Months Ended
Jul. 31, 2014
Stock Repurchase Program [Abstract]  
Stock repurchase program
The table below provides, for the periods indicated, information about our share repurchase program:
 
Nine months ended July 31,
 
Three months ended July 31,
 
2014
 
2013
 
2014
 
2013
Number of shares purchased (in thousands)
10

 
495

 
5

 
490

Average price per share
$
35.03

 
$
30.90

 
$
35.42

 
$
30.87

Remaining authorization at July 31 (in thousands)
8,258

 
8,270

 
8,258

 
8,270