OPERATING SEGMENTS (Details 1) (USD $)	Jul. 31, 2011	Oct. 31, 2010
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 854,742,000	$ 781,643,000
Flight Support Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	453,630,000	410,666,000
Electronic Technologies Group [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	329,640,000	328,577,000
Other Primarily Corporate and Inter Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 71,472,000	$ 42,400,000