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Debt - Unsecured Senior Debt, Net of Unamortized Discounts and Issuance Costs (Details) - USD ($)
$ in Thousands
Apr. 30, 2016
Jan. 30, 2016
May 02, 2015
Debt Instrument [Line Items]      
Long-term debt $ 396,142 $ 396,025 $ 395,677
6.38% Series A Senior Notes due 2018 [Member]      
Debt Instrument [Line Items]      
Long-term debt 84,914 84,906 84,881
6.53% Series B Senior Notes due 2021 [Member]      
Debt Instrument [Line Items]      
Long-term debt 64,887 64,882 64,866
3.375% Senior Notes due 2024 [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 246,341 $ 246,237 $ 245,930