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Schedule of Operations by Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2016
Segment Reporting Information [Line Items]      
Total net sales $ 3,616,014 $ 3,545,794 $ 3,445,134
General corporate expenses (45,980) (44,694) (42,654)
Total income from operations 259,892 338,527 353,579
Total depreciation expense for property and equipment 125,820 133,130 138,881
Total inventory 351,395 338,590  
Total property and equipment, net 813,768 867,786  
Total cash paid for property and equipment 83,813 143,714 134,950
Operating Segments      
Segment Reporting Information [Line Items]      
Total income from operations 305,872 383,221 396,233
Operating Segments | Retail Operations      
Segment Reporting Information [Line Items]      
Total net sales 3,299,714 3,256,890 3,184,955
Total income from operations 233,844 325,666 342,885
Total depreciation expense for property and equipment 124,935 132,150 137,963
Total inventory 300,493 301,519  
Total property and equipment, net 811,128 864,396  
Total cash paid for property and equipment 83,768 142,872 134,627
Operating Segments | Wholesale Operations      
Segment Reporting Information [Line Items]      
Total net sales 327,539 298,566 273,603
Total income from operations 71,877 58,169 54,444
Total depreciation expense for property and equipment 885 980 918
Total inventory 50,902 37,071  
Total property and equipment, net 2,640 3,390  
Total cash paid for property and equipment 45 842 323
Intersegment Elimination      
Segment Reporting Information [Line Items]      
Total net sales (11,239) (9,662) (13,424)
Total income from operations $ 151 $ (614) $ (1,096)