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Financial Instruments (Details Textual) - USD ($)
$ in Thousands
Aug. 31, 2019
Mar. 02, 2019
Derivatives, Fair Value [Line Items]    
Net liability $ (299) $ (470)
Designated as Hedging Instrument | Interest Rate Swap [Member]    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 85,000  
Designated as Hedging Instrument | Foreign Exchange Forward    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount $ 27,800