Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
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-Subparagraph (a)(1)
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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions	6 Months Ended
	Apr. 30, 2019 USD ($)	Apr. 30, 2019 EUR (€)	Oct. 31, 2018 USD ($)	Oct. 31, 2018 EUR (€)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plans, asset	$ 149,737		$ 132,737
Deferred compensation plans, liability	148,500		131,700
Contingent consideration	25,644		20,875
Change in value of contingent consideration	3,104
Flight Support Group [Member] \| FY2019 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent Consideration Arrangements, Value, High	6,400
Contingent consideration	2,100
Flight Support Group [Member] \| FY 2015 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	6,800		5,800
Flight Support Group [Member] \| FY 2015 Acquisition [Member] \| Euro Member Countries, Euro
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration \| €		€ 6.1		€ 5.1
Electronic Technologies Group [Member] \| FY 2017 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent Consideration Arrangements, Value, High	20,000
Contingent consideration	15,800		13,900
Electronic Technologies Group [Member] \| FY 2016 Acquisition [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent Consideration Arrangements, Value, High	1,400
Contingent consideration	900
Change in value of contingent consideration	300
Aggregate LCP Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plans, liability	147,200		125,800
Aggregate LCP Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plans, asset	$ 148,400		$ 126,800