OPERATING SEGMENTS (Details 1) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 2,017,112	$ 1,736,387
Other Primarily Corporate and Intersegment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	138,914	122,151
Flight Support Group [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	857,575	868,218
Electronic Technologies Group [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,020,623	$ 746,018