Income Taxes - Reconciliation Of Actual Tax Rate To Federal Statutory Rate (Details) - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Reconciliation of actual tax rate to federal statutory rate
Tax expense at U.S. statutory rate, Amount	$ (1,587,000)	$ 4,349,000	$ 4,942,000
State income taxes, net of federal income tax benefit	179,000	187,000	165,000
Adjustments to unrecognized tax benefits	233,000	(189,000)	(406,000)
Nondeductible expenses	151,000	17,000	14,000
Nondeductible transaction costs (a)	2,894,000
Valuation allowance	737,000
Foreign Taxes	86,000
Other	565,000	(6,000)	(1,000)
Tax provision	$ 3,258,000	$ 4,358,000	$ 4,714,000
Tax expense at U.S. statutory rate (as a percent)	34.00%	34.00%	34.00%
State income taxes, net of federal income tax benefit (as a percent)	(3.80%)	1.50%	1.10%
Adjustments to unrecognized tax benefits (as a percent)	(5.00%)	(1.50%)	(2.80%)
Nondeductible expenses (as a percent)	(3.30%)	0.10%	0.10%
Nondeductible transaction costs (as a percent)	(62.00%)
Valuation allowance (as a percent)	(15.80%)
Foreign Taxes (as a percent)	(1.80%)
Other (as a percent)	(12.10%)
Tax provision (as a percent)	(69.80%)	34.10%	32.40%