Acquisitions Radar (Details) $ in Thousands	Jan. 31, 2017 USD ($)
Radar Industries [Member]
Business Acquisition [Line Items]
Business Combinations, Recognized Identifiable Assets Acquired And Liabilities Assumed, Cash In Escrow	$ 1,157

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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