FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Apr. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The Company's assets and liabilities that were measured at fair value on a recurring basis are set forth by level within the fair value hierarchy in the following tables (in thousands):

	As of April 30, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)	Total
Assets:
Deferred compensation plan:
Corporate-owned life insurance	$—	$230,247	$—	$230,247
Liabilities:
Contingent consideration	$—	$—	$43,457	$43,457

	As of October 31, 2020
	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)	Total
Assets:
Deferred compensation plan:
Corporate-owned life insurance	$—	$180,128	$—	$180,128
Money market fund	11	—	—	11
Total assets	$11	$180,128	$—	$180,139
Liabilities:
Contingent consideration	$—	$—	$41,974	$41,974

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

The following unobservable inputs were used to derive the estimated fair value of the Company's Level 3 contingent consideration liabilities as of April 30, 2021 ($ in thousands):

				Weighted
Acquisition Date	Fair Value	Unobservable Input	Range	Average (1)
8-18-2020	$10,821	Compound annual revenue growth rate	0% - 19%	7%
		Discount rate	4.4% - 4.9%	4.6%
8-11-2020	14,304	Compound annual revenue growth rate	4% - 18%	13%
		Discount rate	4.9% - 4.9%	4.9%
9-15-2017	18,332	Compound annual revenue growth rate	(3%) - 10%	6%
		Discount rate	3.6% - 3.6%	3.6%

(1)    Unobservable inputs were weighted by the relative fair value of the contingent consideration liability.

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in the Company’s contingent consideration liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3) for the six months ended April 30, 2021 are as follows (in thousands):

	Liabilities
Balance as of October 31, 2020	$41,974
Foreign currency transaction adjustments	824
Increase in accrued contingent consideration	659
Balance as of April 30, 2021	$43,457