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Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 27, 2017
Jan. 29, 2016
Jan. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]      
Revenue recognized from gift card breakage $ 2,300 $ 2,200 $ 1,700
Sales returns and allowances      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning balance 12,605 13,868 13,805
Provision 143,410 166,579 187,000
Write-offs (144,221) (167,842) (186,937)
Ending balance $ 11,794 $ 12,605 $ 13,868