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SEGMENTS - Information Regarding Reportable Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2017 | Oct. 31, 2016 | Jul. 31, 2016 | Apr. 30, 2016 | Jan. 31, 2016 | Oct. 31, 2015 | Jul. 31, 2015 | Apr. 30, 2015 | Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 603,289 | $ 883,476 | $ 442,267 | $ 457,403 | $ 527,428 | $ 909,865 | $ 473,884 | $ 432,965 | $ 2,386,435 | $ 2,344,142 | $ 2,116,855
Cost of goods sold |  |  |  |  |  |  |  |  |  | 1,545,574 | 1,505,504 | 1,359,596
Gross profit |  | $ 198,097 | $ 321,452 | $ 155,643 | $ 165,669 | $ 178,814 | $ 337,057 | $ 168,340 | $ 154,427 | 840,861 | 838,638 | 757,259
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 704,436 | 628,762 | 571,990
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 32,481 | 25,392 | 20,374
Asset impairments |  |  |  |  |  |  |  |  |  | 10,480 |  |
Operating profit (loss) |  |  |  |  |  |  |  |  |  | 93,464 | 184,484 | 164,895
Operating Segments | Wholesale |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 2,014,386 | 1,949,646 | 1,745,894
Cost of goods sold |  |  |  |  |  |  |  |  |  | 1,382,162 | 1,348,109 | 1,220,489
Gross profit |  |  |  |  |  |  |  |  |  | 632,224 | 601,537 | 525,405
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 457,785 | 398,476 | 349,535
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 21,483 | 17,413 | 13,454
Operating profit (loss) |  |  |  |  |  |  |  |  |  | 152,956 | 185,648 | 162,416
Operating Segments | Retail |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 474,217 | 514,027 | 499,284
Cost of goods sold |  |  |  |  |  |  |  |  |  | 267,427 | 276,926 | 267,430
Gross profit |  |  |  |  |  |  |  |  |  | 206,790 | 237,101 | 231,854
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 246,651 | 230,286 | 222,455
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 10,998 | 7,979 | 6,920
Asset impairments |  |  |  |  |  |  |  |  |  | 10,480 |  |
Operating profit (loss) |  |  |  |  |  |  |  |  |  | (61,339) | (1,164) | 2,479
Elimination |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales | [1] |  |  |  |  |  |  |  |  | (102,168) | (119,531) | (128,323)
Cost of goods sold | [1] |  |  |  |  |  |  |  |  | (104,015) | (119,531) | (128,323)
Gross profit | [1] |  |  |  |  |  |  |  |  | 1,847 |  |
Selling, general and administrative | [1] |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | [1] |  |  |  |  |  |  |  |  |  |  |
Operating profit (loss) | [1] |  |  |  |  |  |  |  |  | $ 1,847 |  |
[1] | Represents intersegment sales to the Company's retail operations.

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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