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REDEEMABLE NONCONTROLLING INTERESTS REDEEMABLE NONCONTROLLING INTERESTS (Details) | 12 Months Ended
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Oct. 31, 2018
Electronic Technologies Group [Member] | Subsidiary One [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2005 |
Percentage of interest acquired in the subsidiary | 95.90% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 4 years | [2]
Electronic Technologies Group [Member] | Subsidiary Four [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2009 |
Percentage of interest acquired in the subsidiary | 82.50% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 1 year |
Electronic Technologies Group [Member] | Subsidiary Five [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2012 |
Percentage of interest acquired in the subsidiary | 78.00% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 2 years |
Electronic Technologies Group [Member] | Subsidiary Ten [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2015 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2020 |
Put Rights Purchase Period | 2 years |
Electronic Technologies Group [Member] | Subsidiary Thirteen [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2018 |
Percentage of interest acquired in the subsidiary | 85.00% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2021 |
Put Rights Purchase Period | 1 year |
Flight Support Group [Member] | Subsidiary Two [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2006 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Three [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2008 |
Percentage of interest acquired in the subsidiary | 82.30% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 5 years |
Flight Support Group [Member] | Subsidiary Six [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2012 |
Percentage of interest acquired in the subsidiary | 84.00% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Seven [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2012 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 | [1]
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Eight [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2015 |
Percentage of interest acquired in the subsidiary | 80.00% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2019 |
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Nine [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2015 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2020 |
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Eleven [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2015 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2022 |
Put Rights Purchase Period | 4 years |
Flight Support Group [Member] | Subsidiary Twelve [Member] |  |
Business Acquisition [Line Items] |  |
Effective Date of Acquisition | Oct. 31, 2017 |
Percentage of interest acquired in the subsidiary | 80.10% |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Oct. 31, 2022 |
Put Rights Purchase Period | 2 years | [3]
[1] | (1) Currently puttable
[2] | (2) A portion is to be purchased in a lump sum
[3] | (3)

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