GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) $ in Thousands	9 Months Ended
	Jul. 31, 2023 USD ($)
Goodwill [Line Items]
Opening Balance	$ 1,672,425
Goodwill acquired	335,318
Foreign currency translation adjustments	17,239
Adjustments to goodwill	1,297
Ending Balance	2,026,279
Flight Support Group [Member]
Goodwill [Line Items]
Opening Balance	561,961
Goodwill acquired	0
Foreign currency translation adjustments	4,267
Adjustments to goodwill	(956)
Ending Balance	565,272
Electronic Technologies Group [Member]
Goodwill [Line Items]
Opening Balance	1,110,464
Goodwill acquired	335,318
Foreign currency translation adjustments	12,972
Adjustments to goodwill	2,253
Ending Balance	$ 1,461,007