OPERATING SEGMENTS (Details 1) - USD ($) $ in Thousands	Jul. 31, 2017	Oct. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 2,223,723	$ 2,039,475
Other Primarily Corporate and Intersegment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	167,276	142,974
Flight Support Group [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,040,802	878,674
Electronic Technologies Group [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,015,645	$ 1,017,827