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Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2014 | Jan. 31, 2013 | Jan. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Total net sales | $ 3,086,608 | $ 2,794,925 | $ 2,473,801
Total property and equipment, net | 806,909 | 733,416 |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 3,086,608 | 2,794,925 | 2,473,801
Operating Segments | Domestic Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 2,685,042 | 2,423,155 | 2,169,976
Total property and equipment, net | 655,866 | 586,068 |
Operating Segments | Foreign Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 401,566 | 371,770 | 303,825
Total property and equipment, net | $ 151,043 | $ 147,348 |

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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