OPERATING SEGMENTS (Total assets) (Details) - USD ($) $ in Thousands	Oct. 31, 2022	Oct. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 4,095,496	$ 3,498,407
Operating Segments [Member] | Flight Support Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,635,229	1,274,462
Operating Segments [Member] | Electronic Technologies Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,230,744	1,952,413
Corporate And Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 229,523	$ 271,532