Basis of presentation - OCI, Revenue, etc. (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2024	Feb. 03, 2023	Jan. 28, 2022
Revenue recognition
Liability for outstanding gift cards	$ 13.8	$ 10.7
Breakage income related to gift card program	2.6	2.3	$ 1.7
Advertising costs
Advertising costs	130.6	126.0	117.2
Expenses related to vendor funding for cooperative advertising offset	$ 35.7	$ 33.4	$ 34.3
3.25% Senior Notes due April 15, 2023
Other comprehensive income
Credit facility term	10 years