OPERATING SEGMENTS (Total assets) (Details) - USD ($) $ in Thousands	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 7,195,063	$ 4,095,496
Operating Segments [Member] | Flight Support Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	4,006,748	1,635,229
Operating Segments [Member] | Electronic Technologies Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,915,300	2,230,744
Corporate And Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 273,015	$ 229,523