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Income Taxes - Reconciliation of Effective Tax Rate (Details)
12 Months Ended
Jan. 27, 2017
Jan. 29, 2016
Jan. 30, 2015
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Tax at statutory federal tax rate 35.00% 35.00% 35.00%
State income taxes, net of federal tax benefit 2.70% (1.60%) 2.90%
Other, net 0.90% (0.30%) 0.90%
Total 38.60% 33.10% 38.80%