OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Jul. 31, 2017	Jul. 31, 2017	Jul. 31, 2016	Oct. 31, 2016
Other Intangible Assets
Accumulated Amortization		$ (576,743)	$ (576,743)		$ (571,028)
Net Intangible	[1]	106,319	106,319
Total other intangible assets, gross		683,733	683,733		717,739
Total other intangible assets, net		106,990	$ 106,990		146,711
Other Intangible Assets (Textuals) [Abstract]
Fully amortized intangible assets eliminated from gross intangible assets and accumulated amortization		34,000
Expected economic lives of finite-lived intangible assets, maximum (in years)			7 years
Aggregate amortization expense of intangible assets			$ 39,721	$ 59,428
Expected future amortization of finite-lived intangible assets
2017 (remaining three months)		5,993	5,993
2018		23,386	23,386
2019		22,839	22,839
2020		21,812	21,812
2021		18,878	18,878
Thereafter		13,411	13,411
Net Intangible	[1]	106,319	106,319
In-process research and development
Indefinite-lived Intangible Assets [Line Items]
Indefinite lived intangible assets		671	671		4,200
Developed technology
Other Intangible Assets
Gross Intangible		341,255	341,255		347,727
Accumulated Amortization		(262,308)	(262,308)		(248,128)
Net Intangible		78,947	78,947		99,599
Other Intangible Assets (Textuals) [Abstract]
Assets placed into service		3,500	$ 3,500
Expected economic lives of finite-lived intangible assets, maximum (in years)			5 years
Expected future amortization of finite-lived intangible assets
Net Intangible		78,947	$ 78,947		99,599
Patents and licenses
Other Intangible Assets
Gross Intangible		7,165	7,165		7,165
Accumulated Amortization		(6,473)	(6,473)		(6,285)
Net Intangible		692	692		880
Expected future amortization of finite-lived intangible assets
Net Intangible		692	692		880
Customer relationships, covenants not to compete, outstanding purchase orders and contracts
Other Intangible Assets
Gross Intangible		334,642	334,642		358,647
Accumulated Amortization		(307,962)	(307,962)		(316,615)
Net Intangible		26,680	26,680		42,032
Expected future amortization of finite-lived intangible assets
Net Intangible		$ 26,680	$ 26,680		$ 42,032

[1] Does not include amortization of in-process research and development, as estimation of the timing of future amortization expense would be impractical.