CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Cash flows from operating activities
Net income	$ 19,213	$ 6,998
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	11,601	$ 9,181
Loss on disposal of fixed assets	532
Equity based compensation	7,634	$ 5,780
Tax benefit from exercise/vesting of equity awards	(6,724)	(5,430)
Deferred financing charges	182	469
Changes in operating assets and liabilities:
Accounts receivable, net	(40,679)	(31,603)
Inventories	(179,681)	(174,618)
Income taxes, net	(2,155)	(11,671)
Prepaid expenses and other current assets	(7,317)	(15,942)
Other assets, net	(949)	(1,869)
Accounts payable, accrued expenses and other liabilities	120,551	112,113
Net cash used in operating activities	(77,792)	$ (106,592)
Cash flows from investing activities
Equity method investment	(25,490)
Capital expenditures	(16,600)	$ (21,367)
Net cash used in investing activities	(42,090)	(21,367)
Cash flows from financing activities
Proceeds from sale of common stock, net		128,686
Proceeds from (repayment of) borrowings, net	5,503	(3,812)
Proceeds from exercise of equity awards	376	640
Excess tax benefit from exercise/vesting of equity awards	$ 6,724	5,430
Taxes paid for net share settlement		(4,316)
Noncontrolling interest investment, net		1,063
Net cash provided by financing activities	$ 12,603	127,691
Foreign currency translation adjustments	(2,265)	(289)
Net decrease in cash and cash equivalents	(109,544)	(557)
Cash and cash equivalents at beginning of period	128,354	22,091
Cash and cash equivalents at end of period	18,810	21,534
Cash paid during the year for:
Interest	1,785	3,055
Income taxes	$ 6,504	$ 7,273