Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Oct. 31, 2016	$ 550,035	$ 108,427	$ 480,044	$ (38,436)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock	(75,758)		(75,758)
Issuance of shares for stock options exercised and restricted stock units vested	9,454	1,186	8,268
Stock-based compensation expense	13,517		13,517
Contribution of stock to a deferred compensation trust	820		820
Purchase of shares of common stock	(160,648)	(2,730)	(157,918)
Other comprehensive income (loss)	14,316			14,316
Net earnings	267,717		267,717
Balance at Oct. 31, 2017	617,092	106,883	534,329	(24,120)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock	(85,031)		(85,031)
Issuance of shares for stock options exercised and restricted stock units vested	15,806	1,496	14,310
Stock-based compensation expense	12,161		12,161
Contribution of stock to a deferred compensation trust	1,437		1,437
Purchase of shares of common stock	(164,530)	(2,778)	(161,752)
Other comprehensive income (loss)	42			42
Net earnings	271,939		271,939
Balance at Oct. 31, 2018	668,916	105,601	587,252	(23,937)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock	(96,133)		(96,133)
Issuance of shares for stock options exercised and restricted stock units vested	27,932	1,545	26,387
Stock-based compensation expense	13,429		13,429
Contribution of stock to a deferred compensation trust	1,404		1,404
Purchase of shares of common stock	(22,705)	(404)	(22,301)
Other comprehensive income (loss)	(8,112)			(8,112)
Net earnings	273,983		273,983
Balance at Oct. 31, 2019	$ 859,578	$ 106,742	$ 784,885	$ (32,049)