Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Operating activities:
Net income	$ 8,890	$ 8,737
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,298	4,444
Asset impairment		221
Loss on disposal of property and equipment		39
Deferred income taxes	1,469	1,468
Noncash stock-based compensation expense	317	1,040
Excess tax benefits from stock-based payment arrangements		(192)
Changes in assets and liabilities:
Inventory	10,116	13,690
Prepaid and other current assets	(104)	(1,335)
Other assets	9	2
Accounts payable	(4,022)	(7,437)
Accrued expenses and other long-term liabilities	(103)	(1,579)
Accrued compensation	1,516	(2,041)
Income tax receivable/payable	2,573	2,708
Layaway deposits	700	800
Net cash provided by operating activities	25,659	20,565
Investing activities:
Sales/redemptions of investment securities	16,640	7,209
Purchases of investment securities	(12,026)	(8,190)
Purchases of property and equipment	(4,758)	(3,461)
Net cash used in investing activities	(144)	(4,442)
Financing activities:
Excess tax benefits from stock-based payment arrangements		192
Cash used to settle withholding taxes on the vesting of nonvested restricted stock	(850)	(1,528)
Dividends paid to stockholders	(881)	(871)
Net cash used in financing activities	(1,731)	(2,207)
Net increase in cash and cash equivalents	23,784	13,916
Cash and cash equivalents:
Beginning of period	49,253	49,253
End of period	73,037	53,032
Supplemental disclosures of cash flow information:
Cash paid for interest	31	31
Cash (refunds) payments of income taxes	(3)	41
Supplemental disclosures of noncash investing activities:
Accrual for purchases of property and equipment	$ 1,412	$ 427