CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Oct. 31, 2010	$ 275,810	$ 62,790	$ 222,082	$ (9,062)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $0.56, $0.44 and $0.40 per share during 2013, 2012 and 2011, respectively	(24,970)		(24,970)
Issuance of 669,426, 1,664,835 and 1,009,520 shares under stock-based compensation plans during 2013, 2012 and 2011, respectively	22,868	1,009	21,859
Contribution of stock to a deferred compensation trust	132		132
Purchase of 2,147,185, 2,604,525 and 4,592,760 shares of common stock during 2013, 2012 and 2011, respectively	(129,955)	(4,593)	(125,362)
Excess tax benefits from stock-based awards	2,988		2,988
Other comprehensive income (loss)	2,236			2,236
Net earnings	117,658		117,658
Balance at Oct. 31, 2011	266,767	59,206	214,387	(6,826)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $0.56, $0.44 and $0.40 per share during 2013, 2012 and 2011, respectively	(26,230)		(26,230)
Issuance of 669,426, 1,664,835 and 1,009,520 shares under stock-based compensation plans during 2013, 2012 and 2011, respectively	29,595	1,665	27,930
Contribution of stock to a deferred compensation trust	255		255
Purchase of 2,147,185, 2,604,525 and 4,592,760 shares of common stock during 2013, 2012 and 2011, respectively	(93,395)	(2,605)	(90,790)
Excess tax benefits from stock-based awards	9,017		9,017
Other comprehensive income (loss)	(3,148)			(3,148)
Net earnings	129,541		129,541
Balance at Oct. 31, 2012	312,402	58,266	264,110	(9,974)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock - $0.56, $0.44 and $0.40 per share during 2013, 2012 and 2011, respectively	(32,499)		(32,499)
Issuance of 669,426, 1,664,835 and 1,009,520 shares under stock-based compensation plans during 2013, 2012 and 2011, respectively	18,574	670	17,904
Contribution of stock to a deferred compensation trust	1,466		1,466
Purchase of 2,147,185, 2,604,525 and 4,592,760 shares of common stock during 2013, 2012 and 2011, respectively	(99,588)	(2,147)	(97,441)
Excess tax benefits from stock-based awards	6,134		6,134
Other comprehensive income (loss)	(2,596)			(2,596)
Net earnings	154,845		154,845
Balance at Oct. 31, 2013	$ 358,738	$ 56,789	$ 314,519	$ (12,570)