CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Oct. 31, 2012	$ 58,266	$ 264,110	$ (9,974)	$ 312,402
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $1.00, $0.80, and $0.56 per share during 2015, 2014, and 2013, respectively		(32,499)		(32,499)
Issuance of 548,486, 532,692, and 669,426 shares for stock options exercised and restricted stock vested during 2015, 2014, and 2013, respectively	670	7,667		8,337
Stock-based compensation expense		10,237		10,237
Contribution of stock to a deferred compensation trust		1,466		1,466
Purchase of 1,575,989, 1,644,230, and 2,147,185 shares of common stock during 2015, 2014, and 2013, respectively	(2,147)	(97,441)		(99,588)
Excess tax benefits from stock-based awards		6,134		6,134
Other comprehensive loss			(2,596)	(2,596)
Net earnings		154,845		154,845
Balance at Oct. 31, 2013	56,789	314,519	(12,570)	358,738
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $1.00, $0.80, and $0.56 per share during 2015, 2014, and 2013, respectively		(45,048)		(45,048)
Issuance of 548,486, 532,692, and 669,426 shares for stock options exercised and restricted stock vested during 2015, 2014, and 2013, respectively	533	4,979		5,512
Stock-based compensation expense		11,291		11,291
Contribution of stock to a deferred compensation trust		1,681		1,681
Purchase of 1,575,989, 1,644,230, and 2,147,185 shares of common stock during 2015, 2014, and 2013, respectively	(1,644)	(101,395)		(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	55,678	368,754	(15,705)	408,727
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $1.00, $0.80, and $0.56 per share during 2015, 2014, and 2013, respectively		(55,549)		(55,549)
Issuance of 548,486, 532,692, and 669,426 shares for stock options exercised and restricted stock vested during 2015, 2014, and 2013, respectively	549	7,687		8,236
Stock-based compensation expense		10,836		10,836
Contribution of stock to a deferred compensation trust		967		967
Purchase of 1,575,989, 1,644,230, and 2,147,185 shares of common stock during 2015, 2014, and 2013, respectively	(1,576)	(105,388)		(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	$ 54,651	$ 437,357	$ (29,843)	$ 462,165