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Financial Instruments (Details 3) - USD ($)
$ in Thousands
Aug. 31, 2019
Mar. 02, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, Fair Value, Net $ 299 $ 470
Interest Rate Derivative Liabilities, at Fair Value 179  
Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, Fair Value, Net 299 $ 470
Interest Rate Derivative Liabilities, at Fair Value $ 179