GOODWILL AND OTHER INTANGIBLE ASSETS (Identifiable Intangible Assets) (Details) - USD ($) $ in Thousands	Jan. 31, 2021	Oct. 31, 2020
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Customer Relationships, Gross	$ 435,317	$ 443,143
Finite-Lived Intellectual Property, Gross	241,704	240,725
Finite-Lived License Agreements, Gross	6,559	6,559
Finite-Lived Patents, Gross	1,073	1,071
Finite-Lived Noncompete Agreements, Gross	818	811
Finite-Lived Trade Names, Gross	450	450
Gross Carrying Amount	685,921	692,759
Indefinite-Lived Trade Names	167,231	166,333
Intangible Assets, Gross (Excluding Goodwill)	853,152	859,092
Accumulated Amortization	(287,231)	(280,051)
Net Carrying Amount	398,690	412,708
Intangible Asset Net Carrying Amount	565,921	579,041
Customer Relationships [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(190,688)	(188,919)
Net Carrying Amount	244,629	254,224
Intellectual Property [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(89,952)	(84,686)
Net Carrying Amount	151,752	156,039
Licensing Agreements [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(4,795)	(4,670)
Net Carrying Amount	1,764	1,889
Patents [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(750)	(746)
Net Carrying Amount	323	325
Noncompete Agreements [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(818)	(811)
Net Carrying Amount	0	0
Trade Names [Member]
Acquired Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Accumulated Amortization	(228)	(219)
Net Carrying Amount	$ 222	$ 231