Basis of presentation (Details) $ in Millions	3 Months Ended	12 Months Ended
May 05, 2023 USD ($)	Apr. 29, 2022 USD ($)	Feb. 02, 2024 period	Feb. 03, 2023 USD ($) period
Fiscal year, number of weeks \| period			52	53
Merchandise inventories
LIFO provision	$ 28.1	$ 61.4
Supply Chain Finance Program
Contractual Obligation	$ 269.9			$ 343.6

The change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods, which change has been reflected in the statement of income during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.L)
-URI https://asc.fasb.org/extlink&oid=27011343&loc=d3e99989-122729

Name:	us-gaap_InventoryLIFOReservePeriodCharge
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration