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Document and Entity Information (USD $)
3 Months Ended
Aug. 31, 2011
Oct. 07, 2011
Nov. 30, 2010
Document and Entity Information [Abstract]      
Entity Registrant Name SKYLINE CORP    
Entity Central Index Key 0000090896    
Document Type 10-Q    
Document Period End Date Aug. 31, 2011
Amendment Flag false    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q1    
Current Fiscal Year End Date --05-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 130,065,423
Entity Common Stock, Shares Outstanding   8,391,244