Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjustment Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment Noncontrolling Interest [Member]
Beginning balance at Oct. 31, 2020	$ 4,927,476	$ 1,529	$ 717,272	$ 5,164,086	$ (1,000,454)	$ (7,198)	$ 52,241
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Period Increase (Decrease)								$ (595)			$ (595)
Net income	459,297			459,297
Purchase of treasury stock	(275,058)				(275,058)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	8,975		(24,955)		33,930
Stock-based compensation	19,942		19,942
Dividends declared	(56,226)			(56,226)
Other Comprehensive Income (Loss), Net of Tax	3,343					3,343
Net income (loss) attributable to noncontrolling interest	(47)						(47)
Capital contributions (distributions) – net	(3,204)						(3,204)
Ending balance at Jul. 31, 2021	5,083,903	1,529	712,259	5,566,562	(1,241,582)	(3,855)	48,990
Beginning balance at Oct. 31, 2020	$ 4,927,476	1,529	717,272	5,164,086	(1,000,454)	(7,198)	52,241
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Ending balance at Oct. 31, 2021	$ 5,340,455	1,279	714,453	4,969,839	(391,656)	1,109	45,431
Beginning balance at Apr. 30, 2021	4,960,789	1,529	709,422	5,352,573	(1,148,406)	(2,048)	47,719
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	234,932			234,932
Purchase of treasury stock	(95,411)				(95,411)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	1,409		(826)		2,235
Stock-based compensation	3,663		3,663
Dividends declared	(20,943)			(20,943)
Other Comprehensive Income (Loss), Net of Tax	(1,807)					(1,807)
Net income (loss) attributable to noncontrolling interest	(27)						(27)
Capital contributions (distributions) – net	1,298						1,298
Ending balance at Jul. 31, 2021	5,083,903	1,529	712,259	5,566,562	(1,241,582)	(3,855)	48,990
Beginning balance at Oct. 31, 2021	5,340,455	1,279	714,453	4,969,839	(391,656)	1,109	45,431
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	645,964			645,964
Purchase of treasury stock	(383,886)				(383,886)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	(1,410)		(17,880)		16,470
Stock-based compensation	19,258		19,258
Dividends declared	(67,307)			(67,307)
Other Comprehensive Income (Loss), Net of Tax	15,630					15,630
Net income (loss) attributable to noncontrolling interest	86						86
Capital contributions (distributions) – net	(29,743)						(29,743)
Ending balance at Jul. 31, 2022	5,539,047	1,279	715,831	5,548,496	(759,072)	16,739	15,774
Beginning balance at Apr. 30, 2022	5,379,666	1,279	714,651	5,297,939	(669,396)	19,419	15,774
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	273,467			273,467
Purchase of treasury stock	(91,607)				(91,607)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	873		(1,058)		1,931
Stock-based compensation	2,238		2,238
Dividends declared	(22,910)			(22,910)
Other Comprehensive Income (Loss), Net of Tax	(2,680)					(2,680)
Ending balance at Jul. 31, 2022	$ 5,539,047	$ 1,279	$ 715,831	$ 5,548,496	$ (759,072)	$ 16,739	$ 15,774