Discontinued Operations - Additional Information (Detail) - Segment, Discontinued Operations $ in Millions	12 Months Ended
Jan. 31, 2015 USD ($)	Feb. 02, 2013 Store
Restructuring Cost And Reserve [Line Items]
Number of stores leases \| Store		21
Reimbursement received \| $	$ 11.5

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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Balance Type:	na
Period Type:	duration