Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Oct. 31, 2015	$ 462,165	$ 109,302	$ 382,706	$ (29,843)
Increase (Decrease) in Stockholders' Equity
Cash dividends paid on common stock	(65,890)		(65,890)
Issuance of shares for stock options exercised and restricted stock units vested	19,026	1,801	17,225
Stock-based compensation expense	10,637		10,637
Contribution of stock to a deferred compensation trust	1,200		1,200
Purchase of shares of common stock	(111,999)	(2,676)	(109,323)
Excess tax benefits from stock-based awards	12,495		12,495
Other comprehensive income (loss)	(8,593)			(8,593)
Net earnings	230,994		230,994
Balance at Oct. 31, 2016	550,035	108,427	480,044	(38,436)
Increase (Decrease) in Stockholders' Equity
Reclassification due to the adoption of ASU | ASU 2016-16	(2,361)		(2,361)
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
Reclassification due to the adoption of ASU | ASU 2018-02	0		(141)	141
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
Reclassification due to the adoption of ASU	$ (141)