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Document Entity Information - USD ($)
 12 Months Ended
May. 30, 2015
Jul. 23, 2015
Nov. 29, 2014
Document and Entity Information [Abstract]      
Entity Registrant Name MILLER HERMAN INC    
Entity Central Index Key 0000066382    
Document Type 10-K    
Document Period End Date May 30, 2015    
Amendment Flag false    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --05-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,790,393,512
Entity Common Stock, Shares Outstanding   59,838,458