Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Oct. 31, 2013	$ 113,578	$ 257,730	$ (12,570)	$ 358,738
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $.60, $0.50, and $0.40 per share during 2016, 2015, and 2014, respectively		(45,048)		(45,048)
Issuance of 1,801,136, 1,096,972, and 1,065,384 shares for stock options exercised and restricted stock units vested during 2016, 2015, and 2014, respectively	1,066	4,446		5,512
Stock-based compensation expense		11,291		11,291
Contribution of stock to a deferred compensation trust		1,681		1,681
Purchase of 2,675,575, 3,151,978, and 3,288,460 shares of common stock during 2016, 2015, and 2014, respectively	(3,288)	(99,751)		(103,039)
Excess tax benefits from stock-based awards		8,857		8,857
Other comprehensive loss			(3,135)	(3,135)
Net earnings		173,870		173,870
Balance at Oct. 31, 2014	111,356	313,076	(15,705)	408,727
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $.60, $0.50, and $0.40 per share during 2016, 2015, and 2014, respectively		(55,549)		(55,549)
Issuance of 1,801,136, 1,096,972, and 1,065,384 shares for stock options exercised and restricted stock units vested during 2016, 2015, and 2014, respectively	1,098	7,138		8,236
Stock-based compensation expense		10,836		10,836
Contribution of stock to a deferred compensation trust		967		967
Purchase of 2,675,575, 3,151,978, and 3,288,460 shares of common stock during 2016, 2015, and 2014, respectively	(3,152)	(103,812)		(106,964)
Excess tax benefits from stock-based awards		8,459		8,459
Other comprehensive loss			(14,138)	(14,138)
Net earnings		201,591		201,591
Balance at Oct. 31, 2015	109,302	382,706	(29,843)	462,165
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $.60, $0.50, and $0.40 per share during 2016, 2015, and 2014, respectively		(65,890)		(65,890)
Issuance of 1,801,136, 1,096,972, and 1,065,384 shares for stock options exercised and restricted stock units vested during 2016, 2015, and 2014, respectively	1,801	17,225		19,026
Stock-based compensation expense		10,637		10,637
Contribution of stock to a deferred compensation trust		1,200		1,200
Purchase of 2,675,575, 3,151,978, and 3,288,460 shares of common stock during 2016, 2015, and 2014, respectively	(2,676)	(109,323)		(111,999)
Excess tax benefits from stock-based awards		12,495		12,495
Other comprehensive loss			(8,593)	(8,593)
Net earnings		230,994		230,994
Balance at Oct. 31, 2016	$ 108,427	$ 480,044	$ (38,436)	$ 550,035