Segment Reporting - Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Segment Reporting Information [Line Items]
Total net sales	$ 6,165,376	$ 5,550,666	$ 5,153,237
Total property and equipment, net	1,466,236	1,331,077
Domestic Operations
Segment Reporting Information [Line Items]
Total net sales	5,380,595	4,866,286	4,506,805
Total property and equipment, net	1,303,937	1,188,769
Foreign Operations
Segment Reporting Information [Line Items]
Total net sales	784,781	684,380	$ 646,432
Total property and equipment, net	$ 162,299	$ 142,308

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details