SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Oct. 31, 2020

Share-based Payment Arrangement [Abstract]

Share-based Payment Arrangement, Option, Activity [Table Text Block]

Information concerning share-based activity for each of the last three fiscal years ended October 31 is as follows (in thousands, except per share data):

		Shares Under Option
	Shares Available For Grant	Shares	Weighted Average Exercise Price
Outstanding as of October 31, 2017	830	7,297	$18.58
Shares approved by the Company's shareholders for the 2018 Incentive Compensation Plan	5,000	—	$—
Cancelled unissued shares under the 2012 Incentive Compensation Plan	(830)	—	$—
Granted	(412)	412	$65.64
Exercised	—	(1,285)	$10.54
Cancelled	24	(24)	$28.85
Outstanding as of October 31, 2018	4,612	6,400	$23.19
Granted	(538)	538	$73.30
Exercised	—	(2,235)	$12.98
Cancelled	11	(11)	$49.79
Outstanding as of October 31, 2019	4,085	4,692	$33.73
Granted	(29)	29	$97.00
Exercised	—	(720)	$19.32
Cancelled	8	(8)	$55.61
Outstanding as of October 31, 2020	4,064	3,993	$36.75

Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

Information concerning stock options outstanding (all of which are vested or expected to vest) and stock options exercisable by class of common stock as of October 31, 2020 is as follows (in thousands, except per share and contractual life data):

	Options Outstanding
	Number Outstanding	Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Common Stock	1,681	$35.91	4.7	$116,257
Class A Common Stock	2,312	$37.36	5.5	129,929
	3,993	$36.75	5.2	$246,186

	Options Exercisable
	Number Exercisable	Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Common Stock	1,256	$27.46	4.0	$97,467
Class A Common Stock	1,458	$27.57	4.4	96,137
	2,714	$27.52	4.2	$193,604

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block]

Information concerning stock options exercised is as follows (in thousands):

	Year ended October 31,
	2020	2019	2018
Cash proceeds from stock option exercises	$6,955	$8,547	$4,031
Tax benefit realized from stock option exercises	48,326	16,490	2,162
Intrinsic value of stock option exercises	53,384	204,901	75,152

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of each stock option grant in fiscal 2020, 2019 and 2018 was estimated on the date of grant using the Black-Scholes option-pricing model based on the following weighted average assumptions:

	Year ended October 31,
	2020		2019				2018
	Class A Common Stock		Common Stock		Class A Common Stock		Common Stock		Class A Common Stock
Expected stock price volatility	24.94	%	28.52	%	24.81	%	31.00	%	27.69	%
Risk-free interest rate	1.72	%	2.52	%	2.69	%	2.83	%	2.81	%
Dividend yield	.21	%	.22	%	.22	%	.24	%	.29	%
Forfeiture rate	.00	%	.00	%	.00	%	.00	%	.00	%
Expected option life (years)	6		8		6		9		8
Weighted average fair value	$26.86		$33.88		$19.64		$30.00		$20.93