Income per Share - Schedule of Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 21.5	$ 29.1
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic income per share - weighted average shares outstanding and vested/unissued restricted stock units	36,565,975	37,939,488
Dilutive potential common shares	649,825	518,470
Denominator for diluted income per share	37,215,800	38,457,958
Basic income per share:
Basic Income per Share (in dollars per share)	$ 0.59	$ 0.77
Diluted income per share:
Diluted Income per Share (in dollars per share)	$ 0.58	$ 0.76
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding	928,534	928,412