Income Taxes (Components of the Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Current:
Federal	$ 38,798	$ 100,812	$ 104,510
State	9,756	29,938	26,942
Deferred:
Federal	28,488	3,222	24,894
State	6,858	1,280	357
Total	$ 83,900	$ 135,252	$ 156,703