Stock Repurchase Program and Cash Dividend (Tables)

3 Months Ended

Jan. 31, 2018

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,
	2018		2017
Number of shares purchased (in thousands)	4,427		557
Average price per share	$	47.43	$	27.33
Remaining authorization at January 31 (in thousands)	18,670		15,281