Income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2024	Feb. 03, 2023	Jan. 28, 2022
Current:
Federal	$ 324,339	$ 400,752	$ 472,913
Foreign	880	279	384
State	59,181	63,562	76,261
Total current income taxes	384,400	464,593	549,558
Deferred:
Federal	72,769	195,529	93,114
Foreign	(297)	(24)	(38)
State	1,373	40,527	21,283
Total deferred income taxes	73,845	236,032	114,359
Total provision (benefit) for income taxes	$ 458,245	$ 700,625	$ 663,917