Income Taxes - Uncertain tax benefits (Details) - USD ($) $ in Millions	3 Months Ended
	May 03, 2024	May 05, 2023
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Reserves for uncertain tax benefits	$ 11.7
Interest accrued related to uncertain tax benefits	1.4
Potential penalties accrued related to uncertain tax benefits	0.8
Total reserves for uncertain tax benefits included in noncurrent Other liabilities	13.9
Reserve for uncertain tax positions for which a reduction is reasonably possible in the next twelve months	2.7
Reserve for uncertain tax positions that would impact effective tax rate if recognized	$ 11.7
Effective income tax rates (as a percent)	23.30%	21.80%