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	224,365			224,365
Purchase of treasury stock	(179,648)				(179,648)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	7,567		(24,129)		31,696
Stock-based compensation	16,279		16,279
Dividends declared	(35,283)			(35,283)
Other Comprehensive Income (Loss), Net of Tax	5,150					5,150
Net income (loss) attributable to noncontrolling interest	(20)						(20)
Capital contributions (distributions) – net	4,502						4,502
Ending balance at Apr. 30, 2021	4,960,789	1,529	709,422	5,352,573	(1,148,406)	(2,048)	47,719
Beginning balance at Jan. 31, 2021	4,834,492	1,529	708,668	5,245,935	(1,162,811)	(6,486)	47,657
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	127,866			127,866
Purchase of treasury stock	(253)				(253)
Exercise of stock options, stock based compensation issuances, and employee stock purchase plan issuances	11,966		(2,692)		14,658
Stock-based compensation	3,446		3,446
Dividends declared	(21,228)			(21,228)
Other Comprehensive Income (Loss), Net of Tax	4,438					4,438
Net income (loss) attributable to noncontrolling interest	1						1
Capital contributions (distributions) – net	(61)						(61)
Ending balance at Apr. 30, 2021	4,960,789	1,529	709,422	5,352,573	(1,148,406)	(2,048)	47,719
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