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Acquisitions	6 Months Ended
Acquisitions	Apr. 30, 2017
Acquisitions [Abstract]
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	—Acquisitions Radar Industries, Inc. On September 30, 2014, the Company, through a wholly-owned subsidiary, consummated the transactions contemplated by the Asset Purchase Agreement, dated September 30, 2014, with Radar Industries, Inc., and Radar Mexican Investments, LLC. As of April 30, 2017, $1,157 of funds remained in escrow, subject to certain claims.