Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Operating activities:
Net income	$ 8,737	$ 11,279
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,444	4,813
Asset impairment	221
Loss on disposal of property and equipment	39	24
Deferred income taxes	1,468	1,426
Noncash stock-based compensation expense	1,040	1,363
Excess tax benefits from stock-based payment arrangements	(192)	(1,293)
Changes in assets and liabilities:
Inventory	13,690	14,905
Prepaid and other current assets	(1,335)	513
Other assets	2	9
Accounts payable	(7,437)	(15,304)
Accrued expenses and other long-term liabilities	(1,579)	524
Accrued compensation	(2,041)	(4,447)
Income tax receivable/payable	2,708	4,386
Layaway deposits	800	817
Net cash provided by operating activities	20,565	19,015
Investing activities:
Sales/redemptions of investment securities	7,209	3,509
Purchases of investment securities	(8,190)	(7,247)
Purchases of property and equipment	(3,461)	(1,866)
Net cash used in investing activities	(4,442)	(5,604)
Financing activities:
Excess tax benefits from stock-based payment arrangements	192	1,293
Proceeds from the exercise of stock options		70
Cash used to settle withholding taxes on the vesting of nonvested restricted stock	(1,528)	(2,480)
Dividends paid to stockholders	(871)
Net cash used in financing activities	(2,207)	(1,117)
Net increase in cash and cash equivalents	13,916	12,294
Cash and cash equivalents:
Beginning of period	39,116	39,116
End of period	53,032	86,808
Supplemental disclosures of cash flow information:
Cash paid for interest	31	31
Cash payments (refunds) of income taxes	41	(303)
Supplemental disclosures of noncash investing activities:
Accrual for purchases of property and equipment	$ 427	$ 313