Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Operating Activities
Net income	$ 10,049	$ 7,326
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,836	8,006
Gain on disposal of fixed assets	(18)	(20)
Non-cash interest expense	465	839
Amortization of deferred gain on sale-leaseback	(1,468)	(952)
Deferred income taxes	219
Stock-based compensation	3,289	1,162
Changes in operating assets and liabilities
Inventories	(8,321)	916
Prepaid expenses and other current assets	(3,166)	671
Other assets	142	(139)
Accounts payable	1,139	2,171
Accrued liabilities	(2,438)	(515)
Income taxes payable	6,177	2,519
Deferred rent	3,944	3,856
Net cash provided by operating activities	20,849	25,840
Investing Activities
Purchase of property and equipment	(40,897)	(29,662)
Purchase of intangible assets		(550)
Change in restricted cash	(81)	(227)
Net proceeds from sale of property and equipment	18	21
Net cash used in investing activities	(40,960)	(30,418)
Financing Activities
Payments under lines of credit	(74,476)	(83,850)
Proceeds from lines of credit	99,701	92,850
Payments on financing obligations	(34)	(132)
Payments on long-term debt	(1,596)	(809)
Net cash provided by financing activities	23,595	8,059
Increase in cash and cash equivalents	3,484	3,481
Cash and cash equivalents, beginning of period	7,092	5,428
Cash and cash equivalents, end of period	10,576	8,909
Supplemental Cash Flow Information
Cash paid for interest	7,902	7,372
Cash paid for income taxes	$ 191	$ 71