Earnings Per Share Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Earnings Per Share [Abstract]
Net income as reported	$ 481,617	$ 320,216	$ 721,175	$ 511,746
Basic weighted-average shares (in shares)	104,794	111,214	104,958	111,306
Common stock equivalents (in shares)	1,009	970	1,076	954
Diluted weighted-average shares (in shares)	105,803	112,184	106,034	112,260
Debt Instrument [Line Items]
Shares issued under stock incentive and employee stock purchase plans (in shares)	154	103	675	1,437
Restricted Stock Units RSU And Employee Stock Option Member [Member]
Debt Instrument [Line Items]
Weighted-average number of antidilutive options and restricted stock units (in shares)	7	168	72	334