Deferred Tax Assets and Liabilities Components - (Details) - USD ($) $ in Thousands	Jan. 30, 2016	Jan. 31, 2015
ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract
Allowance For Doubtful Accounts	$ 502	$ 543
Deferred Lease Liablity	1,176	1,881
Inventory Valuation Deferred Tax Asset	3,063	2,717
Non-Deductible Accrued Liablities	3,081	1,895
Other Taxes	1,564	1,664
Federal Benefit Of Uncertain Tax Positions	4,044	4,237
DeferredTaxAssetsTaxDeferredIncentive CompensationExpense	0	0
Equity Compensation Expense	4,888	3,862
Other Deferred Tax Assets	2,732	2,422
Total Deferred Tax Assets	(21,050)	(19,221)
Property And Equipment	(8,095)	(6,458)
Unrealized Gains On Short-Term Ivestments In Comprehensive Income	(481)	(472)
Health Care Expenses	(818)	(2,117)
Inventory Valuation	0	0
Other Deferred Tax Liabilities	1,376	2,517
Total Deferred Tax Liabilities	10,770	11,564
Net Deferred Tax Liabilites	$ (10,280)	$ (7,657)