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Debt - Unsecured Senior Debt, Net of Unamortized Discounts and Issuance Costs (Details) - USD ($)
$ in Thousands
Oct. 28, 2017
Jan. 28, 2017
Oct. 29, 2016
Debt Instrument [Line Items]      
Long-term debt $ 396,848 $ 396,493 $ 396,376
6.38% Series A Senior Notes due 2018      
Debt Instrument [Line Items]      
Long-term debt 84,964 84,939 84,931
6.53% Series B Senior Notes due 2021      
Debt Instrument [Line Items]      
Long-term debt 64,917 64,902 64,897
3.375% Senior Notes due 2024      
Debt Instrument [Line Items]      
Long-term debt $ 246,967 $ 246,652 $ 246,548
Senior Notes due 2024 | 3.375% Senior Notes due 2024      
Debt Instrument [Line Items]      
Unsecured senior notes interest rate 3.375% 3.375% 3.375%
Series A Senior Notes due 2018 | 6.38% Series A Senior Notes due 2018      
Debt Instrument [Line Items]      
Unsecured senior notes interest rate 6.38% 6.38% 6.38%
Series B Senior Notes due 2021 | 6.53% Series B Senior Notes due 2021      
Debt Instrument [Line Items]      
Unsecured senior notes interest rate 6.53% 6.53% 6.53%