Leases (Details) $ in Thousands	6 Months Ended
	Jul. 31, 2021 USD ($) DistributionCenter	Aug. 01, 2020 USD ($)
Leases
Number of distribution centers leased | DistributionCenter	3
Additional renewal period	5 years
Cash paid for amounts included in the measurement of operating lease liabilities	$ 342,100	$ 265,800
Non-cash operating lease assets and liabilities obtained in exchange for new or modified leases	$ 169,000	$ 143,500
Minimum
Leases
Initial tenure of operating leases	10 years
Maximum
Leases
Initial tenure of operating leases	15 years