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GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2018 | Oct. 31, 2017
Goodwill [Roll Forward] |  |
Opening Balances | $ 1,081,306 | $ 865,717
Goodwill acquired | 38,320 | 209,863
Foreign currency translation adjustments | 2,763 | (5,726)
Adjustments to goodwill | (2,031) |
Ending Balances | 1,114,832 | 1,081,306
Flight Support Group [Member] |  |
Goodwill [Roll Forward] |  |
Opening Balances | 388,606 | 336,681
Goodwill acquired | 10,586 | 48,960
Foreign currency translation adjustments | 1,470 | (2,965)
Adjustments to goodwill | 972 |
Ending Balances | 398,694 | 388,606
Electronic Technologies Group [Member] |  |
Goodwill [Roll Forward] |  |
Opening Balances | 692,700 | 529,036
Goodwill acquired | 27,734 | 160,903
Foreign currency translation adjustments | 1,293 | (2,761)
Adjustments to goodwill | (3,003) |
Ending Balances | $ 716,138 | $ 692,700

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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