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Debt (Unsecured Senior Notes, Net of Unamortized Discounts and Issuance Costs) (Details) - USD ($)
$ in Thousands
Feb. 02, 2019
Feb. 03, 2018
Debt Instrument [Line Items]    
Long-term Debt $ 312,440 $ 396,967
Less: current portion 0 84,973
Total due beyond one year 312,440 311,994
6.38% Series A Senior Notes due 2018    
Debt Instrument [Line Items]    
Long-term Debt 0 84,973
6.53% Series B Senior Notes due 2021    
Debt Instrument [Line Items]    
Long-term Debt 64,942 64,922
3.375% Senior Notes due 2024    
Debt Instrument [Line Items]    
Long-term Debt $ 247,498 $ 247,072