Stock Repurchase Program (Tables)

12 Months Ended

Oct. 31, 2017

Stock Repurchase Program [Abstract]

Stock Repurchase And Reissuance Activities

The following table summarizes stock repurchase activities as well as the reissuance of treasury stock for employee stock-based compensation purposes:

	Year Ended October 31,
	2017		2016		2015
	(in thousands, except per share price)
Shares repurchased(1)	5,413		8,506		5,672
Average purchase price per share(1)	$	70.21	$	49.37	$	45.84
Aggregate purchase price(1)	$	380,000	$	420,000	$	260,000
Reissuance of treasury stock	4,404		4,803		4,864

(1) Does not include the 181,988 shares and $20.0 million equity forward contract, respectively, from the September 2017 ASR settled in November 2017.