SELECTED FINANCIAL STATEMENT INFORMATION (Costs and Estimated Earnings on Uncompleted POC Contracts) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 31, 2015	Oct. 31, 2014
Costs incurred on uncompleted contracts	$ 22,814	$ 24,437
Estimated Earnings	11,761	11,747
Estimated Revenue on Completed Percentage-of-Completion Contracts	34,575	36,184
Billings to date	(35,284)	(29,829)
Provision for Loss on Contracts	(709)
Receivables, Long-term Contracts or Programs		6,355
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Accounts receivable, net (costs and estimated earnings in excess of billings)	4,695	8,161
Accrued expenses and other current liabilities (billings in excess of costs and estimated earnings)	(5,404)	(1,806)
Provision for Loss on Contracts	$ (709)
Receivables, Long-term Contracts or Programs		$ 6,355