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Income Taxes - Change in Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 04, 2024
Jan. 29, 2023
Jan. 30, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of year $ 1.9 $ 3.0 $ 2.5
Additions for tax positions of prior years 1.1 0.0 0.0
Reductions for tax positions of prior years 0.0 (0.8) 0.0
Additions for tax positions of current year 6.1 0.0 0.8
Lapse of statute of limitations (0.5) (0.3) (0.3)
Balance at end of year $ 8.6 $ 1.9 $ 3.0