SEGMENTS AND ENTITY WIDE DISCLOSURES (Details 3) - Customer concentration risk - Sales revenue, net - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Revenue, Major Customer [Line Items]
Revenue	$ 203,849	$ 105,418	$ 531,172	$ 348,032
AT&T
Revenue, Major Customer [Line Items]
Revenue	120,931	$ 105,418	324,900	$ 348,032
Verizon
Revenue, Major Customer [Line Items]
Revenue	$ 82,918		$ 206,272

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Balance Type:	credit
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