Amount of obligation for supplier finance program, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-4

Name:	us-gaap_SupplierFinanceProgramObligationCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Basis of presentation and accounting policies (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2025 USD ($)	Aug. 02, 2024 USD ($)	Aug. 01, 2025 USD ($)	Aug. 02, 2024 USD ($)	Jan. 30, 2026 period	Jan. 31, 2025 USD ($) period
Fiscal year, number of weeks \| period					52	52
Merchandise inventories
LIFO provision	$ 62.3	$ 10.5	$ 74.6	$ 20.8
Supply Chain Finance Program
Merchandise inventories
Supply chain finance program obligation	$ 317.1		$ 317.1			$ 399.7