Earnings Per Share Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Earnings Per Share [Abstract]
Net income as reported	$ 475,409	$ 374,611	$ 481,617	$ 239,558	$ 445,536	$ 414,789	$ 320,216	$ 191,530	$ 1,571,195	$ 1,372,071	$ 1,286,500
Basic weighted-average shares	101,716	102,980	104,794	105,122	107,465	110,003	111,214	111,397	103,653	110,020	116,771
Common stock equivalents									1,037	988	1,204
Diluted weighted-average shares	102,676	104,014	105,803	106,265	108,388	111,123	112,184	112,336	104,690	111,008	117,975
Debt Instrument [Line Items]
Shares Issued under Stock Incentive and Employee Stock Purchase Plans									910	2,026	507
Restricted Stock Units RSU And Employee Stock Option Member [Member]
Debt Instrument [Line Items]
Weighted average number of anti-dilutive options and restricted stock units									39	200	410