Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014
Income Tax Disclosure [Abstract]
Effective income tax rate	(9.10%)	(134.30%)
Deferred tax assets from operating loss carryforwards	$ 9.7
State net operating loss carry forwards deferred tax asset	1.0
Net operating loss carryforwards	31.4
Tax benefit not likely to be realized	4.8
Increase in deferred income tax asset valuation allowance during the period	2.0	(6.8)
Unrecognized tax benefits, (if recognized) would affect the effective tax rate	0.1	0.4
Reduction of the liability for unrecognized tax benefits	0.1
Income tax, interest and penalties accrued	0.1	0.2
Income tax, interest and penalties expense	$ 0.1	$ 0.2