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INCOME TAXES - Summary of Significant Components of Net Deferred Tax Assets (Detail 1) - USD ($)
$ in Thousands
Jan. 31, 2018
Jan. 31, 2017
Deferred Income Tax Assets:    
Compensation $ 10,783 $ 10,323
Straight-line lease 6,856 4,279
Provision for bad debts and sales allowances 17,819 11,919
Supplemental employee retirement plan 415 519
Inventory write-downs 0 10,163
Net operating loss 2,983 2,274
Other 212 2,343
Gross deferred income tax assets 39,068 41,820
Less valuation allowance (1,648) 0
Net deferred income tax assets 37,420 41,820
Deferred income tax liabilities:    
Depreciation and amortization (16,234) (14,724)
Intangibles (22,804) (21,347)
Prepaid expenses and other (2,585) (3,383)
Inventory (246) 0
Other 0 (817)
Total deferred income tax liabilities (41,869) (40,271)
Net deferred tax assets (liabilities) $ (4,449) $ 1,549