Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 30, 2012
Income Tax Benefit [Line Items]
Statutory federal income tax rate	34.00%	35.00%
Reclassification of deferred taxes from non-current liabilities of discontinued operations	$ 1,151,000
Increase (decrease) in valuation allowance	27,000	(49,000)
Recognized tax benefits excluding interest and penalties	715,000	941,000	780,000
Impact on effective tax rate, decrease	425,000
Recognized benefit/expense related to interest and penalties	68,000	(105,000)
Accrued potential interest and penalties	416,000	348,000
Undistributed earnings of foreign subsidiaries	3,462,000
State and Local Jurisdiction [Member]
Income Tax Benefit [Line Items]
Net operating loss carryforwards, expiration beginning year	2014
State net operating loss carryforwards	$ 392,000