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Income Per Share Attributable to Methode Shareholders - Schedule of the Computation of Basic and Diluted Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Apr. 30, 2016
Jan. 30, 2016
Oct. 31, 2015
Aug. 01, 2015
May 02, 2015
Jan. 31, 2015
Nov. 01, 2014
Aug. 02, 2014
Apr. 30, 2016
May 02, 2015
May 03, 2014
Earnings Per Share [Abstract]                      
Net income attributable to Methode Electronics, Inc. $ 22.7 $ 17.2 $ 21.2 $ 23.5 $ 26.6 $ 27.1 $ 26.0 $ 21.4 $ 84.6 $ 101.1 $ 96.1
Denominator for basic earnings per share-weighted average shares outstanding and vested/unissued restricted stock awards (in shares)                 38,333,484 38,686,715 37,973,697
Dilutive potential common shares-employee, restricted stock awards and restricted stock units (in shares)                 138,128 580,151 242,562
Denominator for diluted earnings per share (in shares)                 38,471,612 39,266,866 38,216,259
Basic income per share (in dollars per share)                 $ 2.21 $ 2.61 $ 2.53
Diluted income per share (in dollars per share)                 $ 2.20 $ 2.57 $ 2.51