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Long-Term Debt and Credit Lines - Exclusive of Current Installments - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 03, 2019
Feb. 02, 2019
Aug. 04, 2018
2.50% Ten-Year Notes      
Debt Instrument [Line Items]      
Debt instrument, interest rate 2.50%    
Maturity date May 15, 2023    
Unamortized debt discount $ 167 $ 189 $ 211
Effective interest rate 2.51%    
2.75% Seven-Year Notes      
Debt Instrument [Line Items]      
Debt instrument, interest rate 2.75%    
Maturity date Jun. 15, 2021    
Unamortized debt discount $ 137 174 212
Effective interest rate 2.76%    
2.25% Ten-Year Notes      
Debt Instrument [Line Items]      
Debt instrument, interest rate 2.25%    
Maturity date Sep. 15, 2026    
Unamortized debt discount $ 5,284 $ 5,657 $ 6,030
Effective interest rate 2.32%