XML 81 R38.htm IDEA: XBRL DOCUMENT v3.2.0.727
Acquisitions Contech (Details) - Jan. 31, 2015 - Contech [Member] - USD ($)
$ in Thousands
Total
Business Acquisition [Line Items]  
Business Combinations, Recognized Identifiable Assets Acquired And Liabilities Assumed, Cash In Escrow $ 438
Business Combination, Amounts Due for Delinquent Tax Filings 307
Contech Sellers [Member]  
Business Acquisition [Line Items]  
Escrow Deposit Disbursements, Funds Returned to Company $ 131