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Financing Arrangements Schedule of Debt Maturities (Details) - USD ($)
$ in Thousands
Feb. 28, 2018
Feb. 28, 2017
Obligation with Joint and Several Liability Arrangement [Line Items]    
Long-term Debt, Current Maturities $ 7,730 $ 9,215
Long-term Debt, Maturities, Repayments of Principal in Year Two 2,011  
Long-term Debt, Maturities, Repayments of Principal in Year Three 2,011  
Long-term Debt, Maturities, Repayments of Principal in Year Four 499  
Long-term Debt, Maturities, Repayments of Principal in Year Five 499  
Long-term Debt, Maturities, Repayments of Principal after Year Five 6,115  
Debt [Member]    
Obligation with Joint and Several Liability Arrangement [Line Items]    
Long-term Debt $ (18,865) $ (110,443)