OPERATING SEGMENTS (Details) - USD ($) $ in Thousands		3 Months Ended
		Jan. 31, 2023	Jan. 31, 2022
Segment Reporting Information [Line Items]
Revenues		$ 620,915	$ 490,343
Depreciation		8,386	7,330
Amortization		18,674	15,892
Operating income		129,434	98,822
Capital expenditures		10,846	8,691
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	[1]	(5,422)	(4,674)
Depreciation	[1]	270	246
Amortization	[1]	274	287
Operating income	[1]	(10,712)	(9,142)
Capital expenditures	[1]	104	39
Flight Support Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues		371,278	272,681
Depreciation		4,178	3,718
Amortization		6,731	5,513
Operating income		83,609	52,376
Capital expenditures		6,653	3,582
Electronic Technologies Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues		255,059	222,336
Depreciation		3,938	3,366
Amortization		11,669	10,092
Operating income		56,537	55,588
Capital expenditures		$ 4,089	$ 5,070

[1] Intersegment activity principally consists of net sales from the ETG to the FSG.