CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Income Statement [Abstract]
Net sales	$ 3,274,842	$ 2,713,372	$ 6,193,561	$ 4,046,600
Cost of goods sold, including occupancy and distribution costs	1,967,765	1,776,497	3,797,857	2,890,397
GROSS PROFIT	1,307,077	936,875	2,395,704	1,156,203
Selling, general and administrative expenses	640,268	543,033	1,248,562	946,254
Pre-opening expenses	3,256	2,485	7,780	4,765
INCOME FROM OPERATIONS	663,553	391,357	1,139,362	205,184
Interest expense	13,801	14,682	27,183	22,727
Other income	(6,795)	(14,508)	(14,146)	(986)
INCOME BEFORE INCOME TAXES	656,547	391,183	1,126,325	183,443
Provision for income taxes	161,038	114,340	269,060	50,022
NET INCOME	$ 495,509	$ 276,843	$ 857,265	$ 133,421
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 5.86	$ 3.29	$ 10.13	$ 1.59
Diluted (in dollars per share)	$ 4.53	$ 3.12	$ 7.96	$ 1.53
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	84,512	84,130	84,631	83,932
Diluted (in shares)	109,271	88,826	107,641	87,360