OPERATING SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Segment Reporting Information [Line Items]
Net sales	$ 300,370	$ 291,030	$ 859,976	$ 840,088
Depreciation and amortization	11,925	12,131	35,066	36,270
Operating income	58,510	50,113	160,704	149,669
Capital expenditures	4,307	4,776	13,767	12,261
Flight Support Group [Member]
Segment Reporting Information [Line Items]
Net sales	206,599	191,561	591,431	568,038
Depreciation and amortization	6,402	5,020	17,563	14,883
Operating income	39,250	34,234	107,498	103,323
Capital expenditures	2,523	3,083	9,000	7,339
Electronic Technologies Group [Member]
Segment Reporting Information [Line Items]
Net sales	97,223	102,065	277,439	279,298
Depreciation and amortization	5,317	6,911	16,895	20,782
Operating income	24,372	21,455	65,996	62,495
Capital expenditures	1,600	1,605	4,457	4,364
Other Primarily Corporate and Intersegment [Member]
Segment Reporting Information [Line Items]
Net sales	(3,452)	(2,596)	(8,894)	(7,248)
Depreciation and amortization	206	200	608	605
Operating income	(5,112)	(5,576)	(12,790)	(16,149)
Capital expenditures	$ 184	$ 88	$ 310	$ 558