Income Taxes (Reconciliation of the Difference Between the Companys Effective Tax Rate and the U.S. Federal Statutory Tax Rate) (Details)	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Reconconciliation to the Company's effective income tax rate
Statutory U.S. federal income tax rate (as a percent)	21.00%	21.00%
State income tax, net of federal income tax benefits	4.90%	4.60%
Net income attributable to non-controlling and other beneficial interests	(0.50%)	(1.00%)
Stock-based compensation	(0.10%)	0.40%
Net excess tax benefits from stock-based compensation plans	(3.40%)	(2.50%)
Other items	0.90%	0.90%
Effective income tax rate	22.80%	23.40%