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REVENUE (Tables)
 3 Months Ended
Jan. 31, 2021
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 three months ended January 31, 2021 are as follows (in thousands):
January 31, 2021October 31, 2020Change
Contract assets $57,876 $60,429 ($2,553)
Contract liabilities 30,004 25,631 4,373 
Net contract assets $27,872 $34,798 ($6,926)
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):
Three months ended January 31,
20212020
Flight Support Group:
Aftermarket replacement parts (1)
$118,434 $168,267 
Repair and overhaul parts and services (2)
42,412 69,287 
Specialty products (3)
38,488 63,513 
Total net sales199,334 301,067 
Electronic Technologies Group:
Electronic component parts primarily for defense,
space and aerospace equipment (4)
167,089 160,713 
Electronic component parts for equipment
in various other industries (5)
56,461 47,698 
Total net sales223,550 208,411 
Intersegment sales(4,982)(3,203)
Total consolidated net sales$417,902 $506,275 

(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.
(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, three-dimensional microelectronic and stacked memory products, crashworthy and ballistically self-sealing auxiliary fuel systems, radio frequency (RF) and microwave amplifiers, transmitters and receivers, high performance communications and electronic intercept receivers and tuners, high performance active antenna systems, and technical surveillance countermeasures (TSCM) equipment.
(5)    Includes various component parts such as electromagnetic and radio 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.
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):
Three months ended January 31,
20212020
Flight Support Group:
Aerospace$135,056 $239,923 
Defense and Space 54,044 50,253 
Other (1)
10,234 10,891 
Total net sales199,334 301,067 
Electronic Technologies Group:
Defense and Space 142,092 133,110 
Other (2)
63,907 54,963 
Aerospace 17,551 20,338 
Total net sales223,550 208,411 
Intersegment sales (4,982)(3,203)
Total consolidated net sales$417,902 $506,275 

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