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FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2017 USD ($) | Jul. 31, 2016 EUR (€) | Jul. 31, 2016 USD ($) | Jul. 31, 2017 EUR (€) | Jul. 31, 2017 USD ($) | Oct. 31, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities |  |  |  |  | $ 14,041 | $ 18,881
Payment for Contingent Consideration Liability, Financing Activities | $ 7,039 |  | $ 6,960 |  |  |
Assets held within irrevocable trusts and classified within other assets |  |  |  |  | 117,276 | 93,202
Related liabilities of deferred compensation plans, specified as other long-term liabilities |  |  |  |  | 116,100 | 92,600
Aggregate LCP Assets [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets held within irrevocable trusts and classified within other assets |  |  |  |  | 112,000 | 88,500
Significant Other Observable Inputs (Level 2) [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities |  |  |  |  | 0 | 0
Assets held within irrevocable trusts and classified within other assets |  |  |  |  | 109,713 | 86,054
Significant Unobservable Inputs (Level 3) [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities |  |  |  |  | 14,041 | 18,881
Assets held within irrevocable trusts and classified within other assets |  |  |  |  | 0 | 0
Business Combinations [Abstract] |  |  |  |  |  |
Accrued Liabilities, Current |  |  |  |  | 7,014 |
Flight Support Group [Member] | FY 2015 Acquisition [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities |  |  |  |  | 12,700 |
Payment for Contingent Consideration Liability, Financing Activities |  |  | $ 6,800 |  |  |
Flight Support Group [Member] | Euro Member Countries, Euro | FY 2015 Acquisition [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities | € |  |  |  | € 10.8 |  |
Contingent Consideration Arrangements, Per Year Amount | € |  |  |  | 6.1 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | € |  |  |  | € 18.3 |  |
Payment for Contingent Consideration Liability, Financing Activities | € |  | € 6.1 |  |  |  |
Electronic Technologies Group [Member] | FY 2016 Acquisition [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total liabilities |  |  |  |  | 1,300 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | 2,000 |
Fair Value Assumptions, Expected Term | 5 years |  |  |  |  |
Payment for Contingent Consideration Liability, Financing Activities | $ 300 |  |  |  |  |
Aggregate LCP Liability [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Related liabilities of deferred compensation plans, specified as other long-term liabilities |  |  |  |  | $ 110,800 | $ 87,900

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