Preferred and Common Stock Preferred and Common Stock - Repurchase Activity (Tables)

12 Months Ended

Oct. 31, 2016

Stockholders' Equity Note [Abstract]

Repurchase Activity

Repurchase Activity

	Years Ended October 31,
(in millions, except per share amounts)	2016		2015		2014
Total number of shares repurchased	1.4		1.0		0.8
Average price paid per share	$	33.48	$	30.72	$	26.20
Total cash paid for share repurchases	$	46.6	$	31.4	$	20.0