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Document and Entity Information - shares
6 Months Ended
Nov. 30, 2016
Jan. 12, 2017
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Nov. 30, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Trading Symbol SKY  
Entity Registrant Name SKYLINE CORP  
Entity Central Index Key 0000090896  
Current Fiscal Year End Date --05-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   8,391,244