Earnings Per Share Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Earnings Per Share [Abstract]
Net income as reported	$ 220,593	$ 127,866	$ 372,497	$ 224,365
Basic weighted-average shares (in shares)	117,839	124,295	119,418	125,177
Common stock equivalents (in shares)	1,086	1,704	1,473	1,603
Diluted weighted-average shares (in shares)	118,925	125,999	120,891	126,780
Debt Instrument [Line Items]
Shares issued under stock incentive and employee stock purchase plans (in shares)	17	418	424	874
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)	214	36	209	311