Fair Value of Remaining Partially-Impaired Store, Subsequent to Impairment Charges (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	$ 6,111	$ 2,579	$ 3,180
Favorable Leases
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	3,318
Furniture and Fixtures
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	1,146	500	970
Leasehold Improvements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	1,005	696	1,575
Other Assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	429	216	465
Other Property and Equipment
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment Charges	213	$ 15	$ 85
Fair Value, Measurements, Nonrecurring | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	7,007
Impairment Charges	6,111
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	7,007
Fair Value, Measurements, Nonrecurring | Favorable Leases
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	4,462
Impairment Charges	3,318
Fair Value, Measurements, Nonrecurring | Favorable Leases | Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	4,462
Fair Value, Measurements, Nonrecurring | Furniture and Fixtures
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	1,254
Impairment Charges	1,146
Fair Value, Measurements, Nonrecurring | Furniture and Fixtures | Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	1,254
Fair Value, Measurements, Nonrecurring | Leasehold Improvements | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	888
Impairment Charges	1,005
Fair Value, Measurements, Nonrecurring | Leasehold Improvements | Fair Value, Inputs, Level 3 | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	888
Fair Value, Measurements, Nonrecurring | Other Assets | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	310
Impairment Charges	429
Fair Value, Measurements, Nonrecurring | Other Assets | Fair Value, Inputs, Level 3 | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	310
Fair Value, Measurements, Nonrecurring | Other Property and Equipment | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	93
Impairment Charges	213
Fair Value, Measurements, Nonrecurring | Other Property and Equipment | Fair Value, Inputs, Level 3 | Partially-Impaired Store
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Asset fair value	$ 93