FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions	6 Months Ended
	Apr. 30, 2018 USD ($)	Apr. 30, 2017 USD ($)	Apr. 30, 2018 EUR (€)	Apr. 30, 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				$ 24,428		$ 27,573
Change in value of contingent consideration		$ 1,148
Assets held within irrevocable trusts and classified within other assets				133,439		122,874
Related liabilities of deferred compensation plans, specified as other long-term liabilities				132,300		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				127,400		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				126,979		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				126,300		116,000
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities				24,428		27,573
Change in value of contingent consideration	$ (300)
Assets held within irrevocable trusts and classified within other assets				0		0
Business Combinations [Abstract]
Accrued Liabilities, Current				6,516
Flight Support Group [Member] | FY 2015 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities				9,900		12,600
Fair Value Assumptions, Expected Term	2 years
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 | €			€ 8.2		€ 10.8
Contingent Consideration Arrangements, Per Year Amount | €			6.1
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | €			€ 12.2
Electronic Technologies Group [Member] | FY 2017 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities				13,400
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				20,000
Fair Value Assumptions, Expected Term	6 years
Electronic Technologies Group [Member] | FY 2016 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total liabilities				1,100		$ 1,400
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				$ 1,700
Change in value of contingent consideration	$ 300