OPERATING SEGMENTS, Financial Information by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	$ 291,030	$ 267,133	$ 840,088	$ 721,331
Depreciation and amortization	12,131	9,495	36,270	25,900
Operating income	50,113	48,406	149,669	128,033
Capital expenditures	4,776	4,231	12,261	13,496
Flight Support Group [Member]
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	191,561	181,331	568,038	475,560
Depreciation and amortization	5,020	4,069	14,883	9,772
Operating income	34,234	32,649	103,323	87,190
Capital expenditures	3,083	2,435	7,339	7,733
Electronic Technologies Group [Member]
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	102,065	87,401	279,298	250,179
Depreciation and amortization	6,911	5,226	20,782	15,542
Operating income	21,455	21,516	62,495	57,311
Capital expenditures	1,605	1,673	4,364	5,498
Other Primarily Corporate and Intersegment [Member]
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	(2,596)	(1,599)	(7,248)	(4,408)
Depreciation and amortization	200	200	605	586
Operating income	(5,576)	(5,759)	(16,149)	(16,468)
Capital expenditures	$ 88	$ 123	$ 558	$ 265