Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Reconciliation of Company's effective tax rate from federal statutory rate
Federal tax provision at statutory rate	$ 217,914	$ 285,009	$ 206,159
State tax provision, net of federal benefit	47,073	34,656	26,970
Domestic production activities deduction	(18,168)	(12,835)	(16,874)
Other permanent differences	(3,726)	(1,468)	(7,037)
Reversal of accrual for uncertain tax positions	(4,741)	(3,981)	(11,177)
Accrued interest on anticipated tax assessments	737	984	1,964
Increase in unrecognized tax benefits	1,122	0	2,052
Valuation allowance - recognized	0	0	1,018
Valuation allowance - reversed	0	(32,154)	0
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	(38,740)	0	0
Effective Income Tax Rate Reconciliation, Tax Benefit from Stock Compensation	(4,236)	0	0
Other	(11,470)	8,605	3,857
Income tax provision	$ 185,765	$ 278,816	$ 206,932
Federal tax provision at statutory rate, percentage	23.30%	35.00%	35.00%
State tax provision, net of federal benefit, percentage	5.00%	4.30%	4.60%
Domestic production activities deduction, Percent	(2.00%)	(1.60%)	(2.90%)
Other permanent differences, Percent	(0.40%)	(0.20%)	(1.20%)
Reversal of accrual for uncertain tax positions, percent	(0.50%)	(0.50%)	(1.90%)
Accrued interest on anticipated tax assessments, percentage	0.10%	0.10%	0.30%
Increase in unrecognized tax benefits, percentage	0.10%	0.00%	0.30%
Valuation allowance - recognized, percentage	0.00%	0.00%	0.20%
Valuation allowance - reversed, percentage	0.00%	(3.90%)	0.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	(4.10%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation Tax Benefit from Stock Compensation, Percent	(0.50%)	0.00%	0.00%
Other, percentage	(1.20%)	1.10%	0.70%
Income tax provision, percentage	19.90%	34.20%	35.10%