GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) $ in Thousands	6 Months Ended
	Apr. 30, 2025 USD ($)
Goodwill [Line Items]
Opening Balance	$ 3,380,295
Goodwill acquired	136,435
Foreign currency translation adjustments	13,369
Adjustments to goodwill	55
Ending Balance	3,530,154
Flight Support Group [Member]
Goodwill [Line Items]
Opening Balance	1,882,558
Goodwill acquired	110,707
Foreign currency translation adjustments	2,245
Adjustments to goodwill	24
Ending Balance	1,995,534
Electronic Technologies Group [Member]
Goodwill [Line Items]
Opening Balance	1,497,737
Goodwill acquired	25,728
Foreign currency translation adjustments	11,124
Adjustments to goodwill	31
Ending Balance	$ 1,534,620