Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2023	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Oct. 31, 2022	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Pay vs Performance Disclosure
Net income	$ 445,536	$ 414,789	$ 320,216	$ 191,530	$ 640,536	$ 273,467	$ 220,593	$ 151,904	$ 1,372,071	$ 1,286,500	$ 833,627