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Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
May. 02, 2015
Jun. 23, 2015
Nov. 01, 2014
Document and Entity Information [Abstract]      
Entity Registrant Name METHODE ELECTRONICS INC    
Entity Central Index Key 0000065270    
Current Fiscal Year End Date --05-02    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date May 02, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   38,355,412  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 1.4