Current and long-term obligations - Senior Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2024	Jun. 07, 2023	Feb. 03, 2023	Sep. 22, 2022
Current and long-term obligations
Redemption price as a percentage of principal amount	101.00%
4.250% Senior Notes due September 20, 2024
Current and long-term obligations
Amount borrowed				$ 750,000
Stated interest rate (as a percent)	4.25%		4.25%	4.25%
Discount on debt issuance	$ 230		$ 563	$ 700
Long-term obligations	$ 749,770		$ 749,437
4.625% Senior Notes Due Nov 1, 2027
Current and long-term obligations
Amount borrowed				$ 550,000
Stated interest rate (as a percent)	4.625%		4.625%	4.625%
Discount on debt issuance	$ 400		$ 495	$ 500
Long-term obligations	$ 549,600		549,505
5.200% Senior Notes due July 5, 2028
Current and long-term obligations
Amount borrowed		$ 500,000
Stated interest rate (as a percent)	5.20%	5.20%
Discount on debt issuance	$ 124	$ 100	$ 0
Long-term obligations	$ 499,876
5.000% Senior Notes due Nov 1, 2032
Current and long-term obligations
Amount borrowed				$ 700,000
Stated interest rate (as a percent)	5.00%		5.00%	5.00%
Discount on debt issuance	$ 2,155		$ 2,346	$ 2,400
Long-term obligations	$ 697,845		697,654
5.450% Senior Notes due July 5, 2033
Current and long-term obligations
Amount borrowed		$ 1,000,000
Stated interest rate (as a percent)	5.45%	5.45%
Discount on debt issuance	$ 1,521	$ 1,600	$ 0
Long-term obligations	$ 998,479
5.500% Senior Notes due Nov 1, 2052
Current and long-term obligations
Amount borrowed				$ 300,000
Stated interest rate (as a percent)	5.50%		5.50%	5.50%
Discount on debt issuance	$ 288		$ 292	$ 300
Long-term obligations	$ 299,712		$ 299,708
Senior Notes Due 2024, 2027, 2032 And 2052
Current and long-term obligations
Debt issuance costs				$ 16,500
Senior Notes Due July 2028 And 2033
Current and long-term obligations
Debt issuance costs		$ 12,400