CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Oct. 31, 2011	$ 59,206	$ 214,387	$ (6,826)	$ 266,767
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $0.80, 0.56, and $0.44 per share during 2014, 2013, and 2012, respectively		(26,230)		(26,230)
Issuance of 532,692, 669,426, and 1,664,835 shares under stock-based compensation plans during 2014, 2013, and 2012, respectively	1,665	27,930		29,595
Contribution of stock to a deferred compensation trust		255		255
Purchase of 1,644,230, 2,147,185, and 2,604,525 shares of common stock during 2014, 2013, and 2012, respectively	(2,605)	(90,790)		(93,395)
Excess tax benefits from stock-based awards		9,017		9,017
Other comprehensive loss			(3,148)	(3,148)
Net earnings		129,541		129,541
Balance at Oct. 31, 2012	58,266	264,110	(9,974)	312,402
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $0.80, 0.56, and $0.44 per share during 2014, 2013, and 2012, respectively		(32,499)		(32,499)
Issuance of 532,692, 669,426, and 1,664,835 shares under stock-based compensation plans during 2014, 2013, and 2012, respectively	670	17,904		18,574
Contribution of stock to a deferred compensation trust		1,466		1,466
Purchase of 1,644,230, 2,147,185, and 2,604,525 shares of common stock during 2014, 2013, and 2012, 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 - $0.80, 0.56, and $0.44 per share during 2014, 2013, and 2012, respectively		(45,048)		(45,048)
Issuance of 532,692, 669,426, and 1,664,835 shares under stock-based compensation plans during 2014, 2013, and 2012, respectively	533	16,270		16,803
Contribution of stock to a deferred compensation trust		1,681		1,681
Purchase of 1,644,230, 2,147,185, and 2,604,525 shares of common stock during 2014, 2013, and 2012, 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