Income Taxes (Components of the Provision for Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Current:
Federal	$ 100,812	$ 104,510	$ 136,959
State	29,938	26,942	22,753
Deferred:
Federal	3,222	24,894	11,952
State	1,280	357	2,002
Total	$ 135,252	$ 156,703	$ 173,666