FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018 EUR (€)	Jul. 31, 2018 USD ($)	Jul. 31, 2018 USD ($)	Jul. 31, 2017 USD ($)	Jul. 31, 2018 USD ($)	Oct. 31, 2017 EUR (€)	Oct. 31, 2017 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities					$ 18,565		$ 27,573
Change in value of contingent consideration			$ (5,425)	$ 1,227
Assets held within irrevocable trusts and classified within other assets					139,647		122,874
Related liabilities of deferred compensation plans, specified as other long-term liabilities					138,500		121,700
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					133,200		117,200
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					131,170		113,220
Significant Other Observable Inputs (Level 2) [Member] | Corporate Owned Life Insurance [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					132,100		116,000
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities					18,565		27,573
Assets held within irrevocable trusts and classified within other assets					0		0
Business Combinations [Abstract]
Accrued Liabilities, Current					3,886
Flight Support Group [Member] | FY 2015 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities					3,500		12,600
Change in value of contingent consideration		$ 5,100
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 | €	€ 3.0					€ 10.8
Contingent Consideration Arrangements, Per Year Amount | €	6.1
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | €	12.2
Change in value of contingent consideration | €	€ 4.4
Electronic Technologies Group [Member] | FY 2017 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities					13,900
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High					20,000
Electronic Technologies Group [Member] | FY 2016 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities					1,200		$ 1,400
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High					$ 1,700
Change in value of contingent consideration			$ 300