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GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Goodwill [Roll Forward]
Opening Balances	$ 3,274,327	$ 1,672,425
Goodwill acquired	99,237	1,596,137
Foreign currency translation adjustments	(6,339)	(5,187)
Adjustments to goodwill	392	578
Ending Balances	3,380,295	3,274,327
Flight Support Group [Member]
Goodwill [Roll Forward]
Opening Balances	1,824,305	561,961
Goodwill acquired	57,978	1,260,507
Foreign currency translation adjustments	(696)	(2,793)
Adjustments to goodwill	(421)	(956)
Ending Balances	1,882,558	1,824,305
Electronic Technologies Group [Member]
Goodwill [Roll Forward]
Opening Balances	1,450,022	1,110,464
Goodwill acquired	41,259	335,630
Foreign currency translation adjustments	(5,643)	(2,394)
Adjustments to goodwill	813	1,534
Ending Balances	$ 1,497,737	$ 1,450,022

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