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Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2019 | Jan. 31, 2018 | Jan. 31, 2017
Segment Reporting Information [Line Items] |  |  |
Total net sales | $ 3,950,623 | $ 3,616,014 | $ 3,545,794
Total property and equipment, net | 796,029 | 813,768 |
Domestic Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 3,449,913 | 3,163,074 | 3,114,014
Total property and equipment, net | 723,400 | 720,890 |
Foreign Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 500,710 | 452,940 | $ 431,780
Total property and equipment, net | $ 72,629 | $ 92,878 |

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