INCOME TAXES, Rate Reconciliation (Details)	12 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Federal statutory income tax rate	21.00%	21.00%	21.00%
State taxes, less applicable federal income tax reduction	2.90%	3.70%	3.00%
Tax benefit related to stock option exercises	(3.70%)	(13.30%)	(3.80%)
Tax Exempt Gains on Corporate-owned Life Insurance Policies	(2.90%)	(0.70%)	(0.60%)
Research and development tax credits	(2.50%)	(2.40%)	(1.70%)
Foreign derived intangible income deduction	(0.019)	(0.016)	(0.014)
Nondeductible compensation	1.20%	0.40%	0.80%
Other, net	0.70%	0.80%	0.50%
Effective tax rate	14.80%	7.90%	17.80%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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