INCOME TAXES - Summary of Significant Components of Net Deferred Tax Assets (Detail 1) - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 31, 2015
Deferred tax assets
Compensation	$ 4,448	$ 3,964
Provision for bad debts and sales allowances	11,180	10,254
Inventory write-downs	3,581	3,059
Other	1,717	1,671
Deferred tax assets, current	20,926	18,948
Compensation	8,597	6,855
Straight-line lease	3,713	5,128
Supplemental employee retirement plan	378	420
Net operating loss	1,637	1,613
Other	95	71
Deferred tax assets, non-current	14,420	14,087
Total deferred tax assets	35,346	33,035
Deferred tax liabilities
Prepaid expenses and other, current	(3,362)	(2,876)
Depreciation and amortization, non-current	(15,981)	(10,563)
Intangibles, non-current	(21,772)	(23,631)
Other	(507)	(364)
Total deferred tax liabilities	(41,622)	(37,434)
Net deferred tax liabilities	$ (6,276)	$ (4,399)