Income Taxes - Reconciliation of the Statutory Federal Income Tax Rate (Details)	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory federal income tax rate	21.00%	23.30%	35.00%
Excess deduction for stock compensation	(3.70%)	(3.50%)	(5.30%)
Domestic manufacturer's deduction	0.10%	(0.90%)	(1.20%)
State and local income taxes, net of federal benefit	1.10%	1.30%	0.50%
Foreign operations	(0.30%)	(0.50%)	(2.30%)
Federal research tax credit	(1.50%)	(1.20%)	(1.50%)
Foreign-derived intangible income	(1.30%)	0.00%	0.00%
Remeasurement of deferred tax assets and liabilities	(0.10%)	5.20%	0.00%
Deemed repatriation tax	(0.20%)	3.60%	0.00%
Other, net	(0.20%)	(0.30%)	(1.00%)
Consolidated effective tax rate	14.90%	27.00%	24.20%