Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares		12 Months Ended
		Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Consolidated Statements of Stockholders' Equity
Cash dividends paid on common stock (in dollars per share)	[1]	$ 0.60	$ 0.50	$ 0.40
Issuance of shares under stock-based compensation plans (in shares)	[1]	1,801,136	1,096,972	1,065,384
Purchase of shares of common stock (in shares)	[1]	2,675,575	3,151,978	3,288,460

[1] Shares and per share data have been adjusted for all periods presented to reflect a two-for-one stock split effective September 16, 2016