CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Cash flows from operating activities
Net income	$ 6,998	$ 4,371
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	9,181	6,363
Equity based compensation	5,780	4,107
Tax benefit from exercise/vesting of equity awards	8,618	4,550
Deferred financing charges	469	335
Changes in operating assets and liabilities:
Accounts receivable, net	(33,352)	15,569
Inventories	(174,618)	(125,439)
Income taxes, net	(11,671)	(16,767)
Prepaid expenses and other current assets	(15,942)	(16,225)
Other assets, net	(1,869)	(12,554)
Accounts payable, accrued expenses and other liabilities	99,814	75,880
Net cash used in operating activities	(106,592)	(59,810)
Cash flows from investing activities
Capital expenditures	(21,367)	(10,680)
Net cash used in investing activities	(21,367)	(10,680)
Cash flows from financing activities
Proceeds from sale of common stock, net	128,686
Proceeds from (repayment of) notes payable, net	(3,812)	57,092
Proceeds from exercise of equity awards	640	760
Excess tax benefit from exercise/vesting of equity awards	5,430	2,957
Taxes paid for net share settlement	(4,316)	(946)
Noncontrolling interest investment, net	1,063	863
Net cash provided by financing activities	127,691	60,726
Foreign currency translation adjustments	(289)	(1,142)
Net decrease in cash and cash equivalents	(557)	(10,906)
Cash and cash equivalents at beginning of period	22,091	27,360
Cash and cash equivalents at end of period	21,534	16,454
Cash paid during the year for:
Interest	3,055	3,411
Income taxes	$ 7,273	$ 14,874