Segment information - Assets by Segment (Details) - USD ($) $ in Millions	Feb. 01, 2025	Feb. 03, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 5,726.6	$ 6,813.2
Reportable segments | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	5,045.8	5,913.0
Reportable segments | International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	381.0	437.4
Reportable segments | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	93.2	98.9
Corporate and unallocated
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 206.6	$ 363.9