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Income Taxes - Schedule of Income before Income Taxes, Income Tax Expense and Effective Income Tax Rate (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 30, 2021
Oct. 31, 2020
Oct. 30, 2021
Oct. 31, 2020
Income Tax Disclosure [Abstract]        
Income before income taxes $ 33.0 $ 46.2 $ 67.8 $ 61.8
Income tax expense $ 5.5 $ 7.6 $ 11.2 $ 2.5
Effective tax rate 16.70% 16.50% 16.50% 4.00%