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OPERATING SEGMENTS (Assets) (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Oct. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 3,685,333 $ 3,498,407
Other Primarily Corporate and Intersegment [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 262,286 271,532
Flight Support Group [Member] | Operating Segments [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 1,492,367 1,274,462
Electronic Technologies Group [Member] | Operating Segments [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 1,930,680 $ 1,952,413