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Stock Issuance and Stock Repurchase Program (Tables)
 3 Months Ended
Jan. 31, 2016
Stock Repurchase Program [Abstract]  
Stock repurchase program
The table below provides, for the periods indicated, information about our share repurchase programs:
 
Three months ended January 31,
 
2016
 
2015
Number of shares purchased (in thousands)
4,770

 
201

Average price per share
$
31.48

 
$
31.08

Remaining authorization at January 31 (in thousands)
13,765

 
19,999


Subsequent to January 31, 2016, we repurchased approximately 2.0 million shares of our common stock at an average price of $27.19 per share.