Income taxes - Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Feb. 02, 2024	Feb. 03, 2023
Current:
Federal	$ 296,598	$ 324,339	$ 400,752
Foreign	422	880	279
State	47,878	59,181	63,562
Total current income taxes	344,898	384,400	464,593
Deferred:
Federal	(24,547)	72,769	195,529
Foreign	4	(297)	(24)
State	(5,854)	1,373	40,527
Total deferred income taxes	(30,397)	73,845	236,032
Total provision (benefit) for income taxes	$ 314,501	$ 458,245	$ 700,625