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]
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	372,497			372,497
Purchase of treasury stock	(292,279)				(292,279)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	(2,283)		(16,822)		14,539
Stock-based compensation	17,020		17,020
Dividends declared	(44,397)			(44,397)
Other Comprehensive Income (Loss), Net of Tax	18,310					18,310
Net income (loss) attributable to noncontrolling interest	86						86
Capital contributions (distributions) – net	(29,743)						(29,743)
Ending balance at Apr. 30, 2022	5,379,666	1,279	714,651	5,297,939	(669,396)	19,419	15,774
Beginning balance at Jan. 31, 2022	5,301,450	1,279	711,558	5,100,841	(563,618)	5,811	45,579
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	220,593			220,593
Purchase of treasury stock	(106,511)				(106,511)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	421		(312)		733
Stock-based compensation	3,405		3,405
Dividends declared	(23,495)			(23,495)
Other Comprehensive Income (Loss), Net of Tax	13,608					13,608
Net income (loss) attributable to noncontrolling interest	65						65
Capital contributions (distributions) – net	(29,870)						(29,870)
Ending balance at Apr. 30, 2022	5,379,666	1,279	714,651	5,297,939	(669,396)	19,419	15,774
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