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Financing Arrangements Schedule of Debt Maturities (Details) - USD ($)
$ in Thousands
Feb. 28, 2019
Feb. 28, 2018
Obligation with Joint and Several Liability Arrangement [Line Items]    
Long-term Debt, Current Maturities $ 10,021 $ 7,730
Long-term Debt, Maturities, Repayments of Principal in Year Two 500  
Long-term Debt, Maturities, Repayments of Principal in Year Three 500  
Long-term Debt, Maturities, Repayments of Principal in Year Four 500  
Long-term Debt, Maturities, Repayments of Principal in Year Five 500  
Long-term Debt, Maturities, Repayments of Principal after Year Five 5,613  
Debt [Member]    
Obligation with Joint and Several Liability Arrangement [Line Items]    
Long-term Debt $ (17,634) $ (18,865)