OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands		6 Months Ended
		Apr. 30, 2017	Apr. 30, 2016	Oct. 31, 2016
Other Intangible Assets
Accumulated Amortization		$ (604,495)		$ (571,028)
Net Intangible	[1]	109,045
Total other intangible assets, gross		717,740		717,739
Total other intangible assets, net		113,245		146,711
Expected future amortization of finite-lived intangible assets
2017 (remaining six months)		11,895
2018		22,680
2019		22,133
2020		21,106
2021		18,172
Thereafter		13,059
Net Intangible	[1]	109,045
Other Intangible Assets (Textuals) [Abstract]
Aggregate amortization expense of intangible assets		33,466	$ 40,488
In-process research and development
Indefinite-lived Intangible Assets [Line Items]
Indefinite lived intangible assets		4,200		4,200
Developed technology
Other Intangible Assets
Gross Intangible		347,727		347,727
Accumulated Amortization		(267,663)		(248,128)
Net Intangible		80,064		99,599
Expected future amortization of finite-lived intangible assets
Net Intangible		80,064		99,599
Patents and licenses
Other Intangible Assets
Gross Intangible		7,165		7,165
Accumulated Amortization		(6,410)		(6,285)
Net Intangible		755		880
Expected future amortization of finite-lived intangible assets
Net Intangible		755		880
Customer relationships, covenants not to compete, outstanding purchase orders and contracts
Other Intangible Assets
Gross Intangible		358,648		358,647
Accumulated Amortization		(330,422)		(316,615)
Net Intangible		28,226		42,032
Expected future amortization of finite-lived intangible assets
Net Intangible		$ 28,226		$ 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.