OPERATING SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 343,432	$ 306,227
Depreciation	5,244	4,858
Amortization	10,004	9,063
Operating income	64,550	52,621
Capital expenditures	6,422	5,690
Corporate, Non-Segment [Member] | Other Primarily Corporate and Intersegment [Member]
Segment Reporting Information [Line Items]
Depreciation	53	56
Amortization	165	165
Operating income	(5,897)	(5,128)
Capital expenditures	46	302
Operating Segments [Member] | Flight Support Group [Member]
Segment Reporting Information [Line Items]
Net sales	220,901	204,576
Depreciation	3,148	2,950
Amortization	4,104	4,128
Operating income	41,363	35,480
Capital expenditures	3,872	3,705
Operating Segments [Member] | Electronic Technologies Group [Member]
Segment Reporting Information [Line Items]
Net sales	126,165	104,152
Depreciation	2,043	1,852
Amortization	5,735	4,770
Operating income	29,084	22,269
Capital expenditures	2,504	1,683
Intersegment Eliminations [Member] | Other Primarily Corporate and Intersegment [Member]
Segment Reporting Information [Line Items]
Net sales	$ (3,634)	$ (2,501)