Description of the Company and Basis of Presentation - Additional Information (Detail) $ in Millions	6 Months Ended
	Jul. 29, 2017 USD ($) Store Segment location	Jan. 28, 2017 USD ($)
Operating Leased Assets [Line Items]
Number of reportable segments | Segment	2
Number of full-line stores | Store	112
Number of factory outlet stores | Store	49
Number of specialty retail locations | location	2,400
Deferred rent liability	$ 12.8	$ 12.7
Deferred lease credit liability	14.9	15.8
Other accrued liabilities [Member]
Operating Leased Assets [Line Items]
Deferred lease credit liability	2.4	2.4
Long-term liabilities [Member]
Operating Leased Assets [Line Items]
Deferred lease credit liability	$ 12.5	$ 13.4