GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) $ in Thousands	9 Months Ended
Jul. 31, 2017 USD ($)
Goodwill [Line Items]
Opening Balance	$ 865,717
Goodwill acquired	49,297
Foreign currency translation adjustments	(6,964)
Ending Balance	921,978
Flight Support Group [Member]
Goodwill [Line Items]
Opening Balance	336,681
Goodwill acquired	49,297
Foreign currency translation adjustments	(3,389)
Ending Balance	389,367
Electronic Technologies Group [Member]
Goodwill [Line Items]
Opening Balance	529,036
Goodwill acquired	0
Foreign currency translation adjustments	(3,575)
Ending Balance	$ 532,611

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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