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REVENUE (Tables)
 9 Months Ended
Jul. 31, 2025
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Asset and Liability [Table Text Block] Changes in the Company’s contract assets and liabilities for the nine months ended July 31, 2025 are as follows (in thousands):
July 31, 2025October 31, 2024Change
Contract assets, current $132,963 $112,235 $20,728 
Contract liabilities, current (84,611)(83,903)(708)
Contract liabilities, long-term(88,886)(61,843)(27,043)
Total contract liabilities (173,497)(145,746)(27,751)
Net contract liabilities($40,534)($33,511)($7,023)
Product Line [Member]  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue [Table Text Block] The following table summarizes the Company’s net sales by product line for each operating segment (in thousands):
Nine months ended July 31,Three months ended July 31,
2025202420252024
Flight Support Group:
Aftermarket replacement parts (1)
$1,412,286 $1,231,578 $486,296 $432,699 
Repair and overhaul parts and services (2)
543,366 433,658 201,261 149,895 
Specialty products (3)
327,253 282,338 115,104 99,032 
Total net sales2,282,905 1,947,574 802,661 681,626 
Electronic Technologies Group:
Electronic component parts primarily for
defense, space and aerospace equipment (4)
830,393 732,378 290,680 257,974 
Electronic component parts for equipment
in various other industries (5)
197,952 195,015 65,183 64,155 
Total net sales1,028,345 927,393 355,863 322,129 
Intersegment sales(35,617)(30,963)(10,933)(11,509)
Total consolidated net sales$3,275,633 $2,844,004 $1,147,591 $992,246 

(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, expanded foil mesh as well as machining, brazing, fabricating and welding services generally to original equipment manufacturers, and emergency descent devices and personnel and cargo parachute products and missile hardware and components.
(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, 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 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, high-reliability, complex, passive electronic components and rotary joint assemblies, and 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.
Sales by Industry [Member]  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue [Table Text Block] The following table summarizes the Company’s net sales by industry for each operating segment (in thousands):
Nine months ended July 31,Three months ended July 31,
2025202420252024
Flight Support Group:
Aerospace$1,721,374 $1,439,507 $615,053 $499,917 
Defense and Space 516,287 449,838 172,286 161,160 
Other (1)
45,244 58,229 15,322 20,549 
Total net sales2,282,905 1,947,574 802,661 681,626 
Electronic Technologies Group:
Defense and Space 524,577 470,427 182,590 169,670 
Other (2)
309,864 295,089 104,524 94,647 
Aerospace 193,904 161,877 68,749 57,812 
Total net sales1,028,345 927,393 355,863 322,129 
Intersegment sales (35,617)(30,963)(10,933)(11,509)
Total consolidated net sales$3,275,633 $2,844,004 $1,147,591 $992,246 

(1)    Principally industrial products.
(2)    Principally other electronics and medical products.