Income Per Share Attributable to Methode Shareholders (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	May 03, 2014	Feb. 01, 2014	Oct. 26, 2013	Jul. 27, 2013	Apr. 27, 2013	Jan. 26, 2013	Oct. 27, 2012	Jul. 28, 2012	May 03, 2014	Apr. 27, 2013	Apr. 28, 2012
Earnings Per Share [Abstract]
Net income attributable to Methode Electronics, Inc.	$ 48.1	$ 14.6	$ 19.8	$ 13.6	$ 10.2	$ 3.3	$ 23.3	$ 3.9	$ 96.1	$ 40.7	$ 8.4
Denominator for basic earnings per share - weighted average shares									37,973,697	37,406,386	37,366,505
Dilutive potential common shares - employee and director stock options, restricted stock awards and restricted stock units									242,562	480,240	225,475
Denominator for diluted earnings per share adjusted weighted average shares and assumed conversions									38,216,259	37,886,626	37,591,980
Basic income per share (in dollars per share)									$ 2.53	$ 1.09	$ 0.22
Diluted income per share (in dollars per share)									$ 2.51	$ 1.08	$ 0.22
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of EPS										297,585	834,412
RSAs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of EPS									700,000