Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Reconciliation of Company's effective tax rate from federal statutory rate
Federal tax provision at statutory rate	$ 206,159	$ 187,447	$ 176,604
State tax provision, net of federal benefit	26,970	21,947	23,778
Domestic production activities deduction	(16,874)	(12,284)	(14,796)
Other permanent differences	(7,037)	(7,821)	(6,214)
Reversal of accrual for uncertain tax positions	(11,177)	(15,331)	(11,022)
Accrued interest on anticipated tax assessments	1,964	2,588	1,847
Increase in unrecognized tax benefits	2,052	3,214	5,694
Valuation allowance - recognized	1,018	3,681	1,328
Valuation allowance - reversed	0	(16,323)	(13,256)
Other	3,857	5,277	587
Income tax provision	$ 206,932	$ 172,395	$ 164,550
Federal tax provision at statutory rate, percentage	35.00%	35.00%	35.00%
State tax provision, net of federal benefit, percentage	4.60%	4.10%	4.70%
Domestic production activities deduction, Percent	(2.90%)	(2.30%)	(2.90%)
Other permanent differences, Percent	(1.20%)	(1.50%)	(1.20%)
Reversal of accrual for uncertain tax positions, percent	(1.90%)	(2.90%)	(2.20%)
Accrued interest on anticipated tax assessments, percentage	0.30%	0.50%	0.40%
Increase in unrecognized tax benefits, percentage	0.30%	0.60%	1.10%
Valuation allowance - recognized, percentage	0.20%	0.70%	0.30%
Valuation allowance - reversed, percentage	0.00%	(3.00%)	(2.60%)
Other, percentage	0.70%	1.00%	0.10%
Income tax provision, percentage	35.10%	32.20%	32.60%