REVENUE (Disaggregation of Revenue, by Product Line) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 955,395	$ 687,841	$ 1,851,758	$ 1,308,756
Flight Support Group [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		647,232	392,202	1,265,948	763,480
Flight Support Group [Member] | Aftermarket Replacement Parts [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[1]	403,725	218,343	798,879	426,986
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]	148,181	77,851	283,763	149,001
Flight Support Group [Member] | Specialty Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[3]	95,326	96,008	183,306	187,493
Electronic Technologies Group [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		319,322	301,759	605,264	556,818
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]	253,758	220,742	474,404	395,320
Electronic Technologies Group [Member] | Other Electronic Components [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	[5]	65,564	81,017	130,860	161,498
Corporate And Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ (11,159)	$ (6,120)	$ (19,454)	$ (11,542)

[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 thermal insulation blankets, renewable/reusable insulation systems, advanced niche components, complex composite assemblies, and expanded foil mesh as well as machining, brazing, fabricating and welding services generally to original equipment manufacturers.

[4] Includes various component parts such as electro-optical infrared simulation and test equipment, electro-optical laser products, electro-optical, microwave and other power equipment, high-speed interface products, power conversion products, 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 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.

[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.