Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Beginning balance at Oct. 31, 2022	$ 6,021,840	$ 1,279	$ 716,786	$ 6,166,732	$ (916,327)	$ 37,618	$ 15,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	511,746			511,746
Purchase of treasury stock	(93,203)				(93,203)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	28,283		(36,228)		64,511
Stock-based compensation	17,025		17,025
Dividends declared	(45,976)			(45,976)
Other Comprehensive Income (Loss), Net of Tax	(3,743)					(3,743)
Net income (loss) attributable to noncontrolling interest	(246)						(246)
Ending balance at Apr. 30, 2023	6,435,726	1,279	697,583	6,632,502	(945,019)	33,875	15,506
Beginning balance at Jan. 31, 2023	6,216,994	1,279	696,115	6,335,574	(865,775)	34,154	15,647
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	320,216			320,216
Purchase of treasury stock	(83,846)				(83,846)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	3,429		(1,173)		4,602
Stock-based compensation	2,641		2,641
Dividends declared	(23,288)			(23,288)
Other Comprehensive Income (Loss), Net of Tax	(279)					(279)
Net income (loss) attributable to noncontrolling interest	(141)						(141)
Ending balance at Apr. 30, 2023	6,435,726	1,279	697,583	6,632,502	(945,019)	33,875	15,506
Beginning balance at Oct. 31, 2023	6,813,202	1,129	698,548	6,675,719	(619,150)	40,910	16,046
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	721,175			721,175
Purchase of treasury stock	(181,212)				(181,212)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	(3,542)		(31,428)		27,886
Stock-based compensation	22,139		22,139
Dividends declared	(46,659)			(46,659)
Other Comprehensive Income (Loss), Net of Tax	(1,083)					(1,083)
Net income (loss) attributable to noncontrolling interest	(440)						(440)
Capital contributions (distributions) – net	614						614
Ending balance at Apr. 30, 2024	7,324,194	1,129	689,259	7,350,235	(772,476)	39,827	16,220
Beginning balance at Jan. 31, 2024	7,035,645	1,129	685,941	6,892,821	(597,632)	37,012	16,374
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	481,617			481,617
Purchase of treasury stock	(181,156)				(181,156)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	5,741		(571)		6,312
Stock-based compensation	3,889		3,889
Dividends declared	(24,203)			(24,203)
Other Comprehensive Income (Loss), Net of Tax	2,815					2,815
Net income (loss) attributable to noncontrolling interest	(238)						(238)
Capital contributions (distributions) – net	84						84
Ending balance at Apr. 30, 2024	$ 7,324,194	$ 1,129	$ 689,259	$ 7,350,235	$ (772,476)	$ 39,827	$ 16,220