INCOME TAXES - Reconciliation of Effective Income Tax Rate (Details)	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
Impact of foreign tax rate differential	0.70%	0.49%	0.10%
State and local taxes, net of federal tax benefit	0.93%	5.71%	1.99%
Net impact of changes in valuation allowances	(2.57%)	(15.23%)	2.41%
Non-deductible write-off and impairment of goodwill and other intangible assets	0.00%	4.02%	0.29%
Return to provision	(2.73%)	(1.85%)	(1.27%)
Permanent book-tax differences	0.86%	16.56%	(0.87%)
Withholding taxes	2.86%	5.28%	2.43%
Tax credits	(1.56%)	(2.60%)	(3.33%)
Capital losses	(5.70%)	(6.34%)	0.00%
Other items, net	0.73%	6.97%	4.23%
Company's effective income tax rate	14.52%	34.01%	26.98%