Loss per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Feb. 01, 2025	Jan. 27, 2024	Feb. 01, 2025	Jan. 27, 2024
Earnings Per Share [Abstract]
Net loss	$ (14.4)	$ (11.6)	$ (34.3)	$ (66.0)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic loss per share - weighted average shares outstanding and vested/unissued restricted stock units	35,182,166	35,327,995	35,370,099	35,562,513
Dilutive potential common shares	0	0	0	0
Denominator for diluted loss per share	35,182,166	35,327,995	35,370,099	35,562,513
Loss per share:
Basic	$ (0.41)	$ (0.33)	$ (0.97)	$ (1.86)
Loss per share:
Diluted	$ (0.41)	$ (0.33)	$ (0.97)	$ (1.86)
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding	1,303,187	1,319,577	1,176,069	1,463,996

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