Segment reporting - reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Nov. 01, 2024	Oct. 31, 2025	Nov. 01, 2024
Net sales data for classes of similar products
Net sales	$ 10,649,450	$ 10,183,428	$ 31,813,166	$ 30,307,810
Interest expense, net	55,935	67,849	178,266	208,412
Income tax expense	87,259	59,424	333,115	277,420
Net income	282,657	196,529	1,086,011	934,036
Depreciation and amortization	266,300	247,000	775,957	718,093
Retail Stores Single Reportable Segment
Net sales data for classes of similar products
Net sales	10,649,450	10,183,428	31,813,166	30,307,810
Shrink included in cost of goods sold	141,279	226,400	463,968	704,052
Cost of goods sold, excluding shrink	7,323,841	7,020,728	21,571,912	20,615,830
Interest expense, net	55,935	67,849	178,266	208,412
Income tax expense	87,259	59,424	333,115	277,420
Other segment items	2,758,479	2,612,498	8,179,894	7,568,060
Net income	$ 282,657	$ 196,529	$ 1,086,011	$ 934,036