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Stock Repurchase Program and Cash Dividend (Tables)
3 Months Ended
Jan. 31, 2021
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,
 20212020
Number of shares purchased (in thousands)4,027 11,686 
Average price per share$44.54 $40.73 
Remaining authorization at January 31 (in thousands)15,957 8,314