SELECTED FINANCIAL STATEMENT INFORMATION, Costs and Estimated Earnings on Uncompleted Percentage-of-Completion Contracts (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Costs incurred on uncompleted contracts	$ 19,086	$ 22,645
Estimated earnings	13,887	16,116
Total cost incurred and estimated earnings on uncompleted percentage-of completed contracts	32,973	38,761
Less: Billings to date	(39,142)	(36,442)
Unbilled Contracts Receivable		2,319
Billings in Excess of Cost and Estimated Earnings	6,169
Included in the accompanying Consolidated Balance Sheets under the following captions:
Accounts receivable, net (costs and estimated earnings in excess of billings)	4,839	6,263
Accrued expenses and other current liabilities (billings in excess of costs and estimated earnings)	(11,008)	(3,944)
Unbilled Contracts Receivable		$ 2,319
Billings in Excess of Cost and Estimated Earnings	$ 6,169