Earnings Per Share Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2022	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Earnings Per Share [Abstract]
Net income as reported	$ 640,536	$ 273,467	$ 220,593	$ 151,904	$ 374,330	$ 234,932	$ 127,866	$ 96,499	$ 1,286,500	$ 833,627	$ 446,624
Basic weighted-average shares	112,914	115,334	117,839	120,996	122,218	123,826	124,295	126,060	116,771	124,100	130,095
Common stock equivalents									1,204	1,707	1,152
Diluted weighted-average shares	113,793	116,326	118,925	122,858	124,057	125,610	125,999	127,562	117,975	125,807	131,247
Debt Instrument [Line Items]
Shares Issued under Stock Incentive and Employee Stock Purchase Plans									507	1,011	1,541
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									410	166	2,141