Income Taxes - Additional Information (Details)	12 Months Ended
Jan. 28, 2017
Federal tax
Income Taxes
Period of statute of limitations	3 years
State tax
Income Taxes
Period of statute of limitations	4 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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