v3.26.1
REVENUE (Disaggregation of Revenue, by Product Line) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 1,375,713 $ 1,097,820 $ 2,554,295 $ 2,128,042
Flight Support Group [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 929,427 767,070 1,749,427 1,480,244
Flight Support Group [Member] | Aftermarket Replacement Parts [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax [1] 570,327 469,962 1,084,188 925,990
Flight Support Group [Member] | Repair and Overhaul Parts and Services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax [2] 225,875 186,656 422,529 342,105
Flight Support Group [Member] | Specialty Products [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax [3] 133,225 110,452 242,710 212,149
Electronic Technologies Group [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 459,532 342,167 830,207 672,482
Electronic Technologies Group [Member] | Electronic Components for Defense, Space and Aerospace [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax [4] 378,945 276,091 680,107 539,713
Electronic Technologies Group [Member] | Other Electronic Components [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax [5] 80,587 66,076 150,100 132,769
Corporate And Eliminations [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ (13,246) $ (11,417) $ (25,339) $ (24,684)
[1] Includes various jet engine and aircraft component replacement parts.
[2] Includes primarily the sale of parts consumed in various repair and overhaul services on selected jet engine and aircraft components, avionics, instruments, composites and flight surfaces of commercial and military aircraft.
[3] Includes primarily the sale of specialty components such as missile hardware and components, thermal insulation blankets, renewable/reusable insulation systems, advanced niche components, complex composite assemblies, expanded foil mesh, emergency descent devices, personnel and cargo parachute products, as well as machining, brazing, fabricating and welding services.
[4] Includes various types of electronic, data and microwave, and electro-optical component parts such as electro-optical infrared simulation and test equipment, electro-optical laser products, microwave and other power equipment, high-speed interface products, power conversion products, power distribution solutions, underwater locator beacons, emergency locator transmission beacons, traveling wave tube amplifiers, microwave power modules, a wide variety of memory products and radio frequency (RF) and microwave products, crashworthy primary fuel system bladders and ballistically self-sealing
auxiliary fuel systems, high performance communications and electronic intercept receivers and tuners, high performance active antenna systems and airborne antennas, technical surveillance countermeasures (TSCM) equipment, custom high power filters and filter assemblies, radiation assurance services and products, and high-reliability, complex, passive electronic components and rotary joint assemblies, proprietary in-cabin power and entertainment components and subsystems, and cockpit displays and other avionics components.
[5] Includes various component parts such as electromagnetic and radio frequency interference shielding, high voltage interconnection devices, high voltage advanced power electronics, harsh environment connectivity products, custom molded cable assemblies, silicone material for a variety of demanding applications, and rugged small form-factor embedded computing solutions, and high-performance test sockets and adaptors.