SELECTED FINANCIAL STATEMENT INFORMATION, Costs and Estimated Earnings on Uncompleted Percentage-of-Completion Contracts (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Oct. 31, 2013
Costs incurred on uncompleted contracts	$ 24,437	$ 22,548
Estimated earnings	11,747	25,391
Total cost incurred and estimated earnings on uncompleted percentage-of completed contracts	36,184	47,939
Less: Billings to date	(29,829)	(40,676)
Costs in Excess of Billings on Uncompleted Contracts or Programs	6,355	7,263
Included in the accompanying Consolidated Balance Sheets under the following captions:
Accounts receivable, net (costs and estimated earnings in excess of billings)	8,161	9,540
Accrued expenses and other current liabilities (billings in excess of costs and estimated earnings)	(1,806)	(2,277)
Costsand Estimated Earnings On Uncompleted Contracts Net	$ 6,355	$ 7,263