Stock Issuance and Stock Repurchase Program (Tables)

9 Months Ended

Jul. 31, 2016

Stock Repurchase Program [Abstract]

Stock repurchase program

The table below provides, for the periods indicated, information about our share repurchase programs:

	Nine months ended July 31,				Three months ended July 31,
	2016		2015		2016		2015
Number of shares purchased (in thousands)	11,405		214		3,698		3
Average price per share	$	28.72	$	31.50	$	26.33	$	37.64
Remaining authorization at July 31 (in thousands)	18,085		19,986		18,085		19,986