Property, plant and equipment, net - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Feb. 01, 2025	Feb. 03, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,968.0	$ 1,938.9
Accumulated depreciation and amortization	(1,461.5)	(1,441.2)
Property, plant and equipment, net	506.5	497.7
Land and buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	16.7	20.2
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	703.8	710.9
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	746.9	749.5
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	185.3	182.3
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	261.5	240.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 53.8	$ 36.0