(Loss) Income Per Share - Schedule of Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Earnings Per Share [Abstract]
Net (loss) income	$ (123.3)	$ 77.1	$ 102.2
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic income per share - weighted average shares outstanding and vested/unissued RSUs	35,470,471	36,016,686	37,234,086
Dilutive potential common shares - stock options, RSAs and RSUs (in shares)	0	758,749	583,360
Denominator for diluted income per share	35,470,471	36,775,435	37,817,446
Basic (loss) income per share attributable to Methode:
Basic (loss) income per share (in dollars per share)	$ (3.48)	$ 2.14	$ 2.74
Diluted (loss) income per share attributable to Methode:
Diluted (loss) income per share (in dollars per share)	$ (3.48)	$ 2.10	$ 2.70
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding	1,429,229	938,281	928,412