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FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions	12 Months Ended
	Oct. 31, 2018 USD ($)	Oct. 31, 2018 EUR (€)	Oct. 31, 2017 USD ($)	Oct. 31, 2016 USD ($)	Oct. 31, 2018 EUR (€)	Oct. 31, 2017 EUR (€)
Business Acquisition, Contingent Consideration [Line Items]
Change in value of contingent consideration			$ 1,100	$ 3,063
Contingent consideration, liability	$ 20,875		27,573
Flight Support Group [Member] | FY 2015 Acquisition [Member]
Business Acquisition, Contingent Consideration [Line Items]
Change in value of contingent consideration	5,100
Contingent consideration related to acquisition	1,800
Contingent consideration, liability	5,800		$ 12,600
Electronic Technologies Group [Member] | FY 2017 Acquisition [Member]
Business Acquisition, Contingent Consideration [Line Items]
Amount of contingent purchase consideration, the company could be required to pay	20,000
Contingent consideration, liability	13,900
Electronic Technologies Group [Member] | FY 2016 Acquisition [Member]
Business Acquisition, Contingent Consideration [Line Items]
Amount of contingent purchase consideration, the company could be required to pay	1,700
Change in value of contingent consideration	300
Contingent consideration, liability	1,200
Euro Member Countries, Euro | Flight Support Group [Member] | FY 2015 Acquisition [Member]
Business Acquisition, Contingent Consideration [Line Items]
Contingent Consideration Arrangements, Per Year Amount | €					€ 6.1
Change in value of contingent consideration | €		€ 4.4
Contingent consideration related to acquisition	$ 1,300
Contingent consideration, liability | €					€ 5.1	€ 10.8

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