OPERATING SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	$ 282,232	$ 237,708	$ 549,058	$ 454,198
Depreciation and amortization	12,089	8,265	24,139	16,405
Operating income	49,171	44,688	99,556	79,627
Capital expenditures	3,495	4,799	7,485	9,265
Flight Support Group [Member]
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	194,892	155,231	376,477	294,229
Depreciation and amortization	4,943	2,868	9,863	5,703
Operating income	36,886	30,296	69,089	54,541
Capital expenditures	2,231	2,911	4,256	5,298
Electronic Technologies Group [Member]
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]
Net sales	89,741	83,937	177,233	162,778
Depreciation and amortization	6,946	5,203	13,871	10,316
Operating income	18,136	20,249	41,040	35,795
Capital expenditures	1,051	1,790	2,759	3,825
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	(2,401)	(1,460)	(4,652)	(2,809)
Depreciation and amortization	200	194	405	386
Operating income	(5,851)	(5,857)	(10,573)	(10,709)
Capital expenditures	$ 213	$ 98	$ 470	$ 142