CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Cash dividends paid on common stock (in dollars per share)	$ 1.00	$ 0.80	$ 0.56
Issuance of shares under stock-based compensation plans (in shares)	548,486	532,692	669,426
Purchase of shares of common stock (in shares)	1,575,989	1,644,230	2,147,185