XML 15 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - USD ($)
12 Months Ended
Jan. 31, 2016
Mar. 18, 2016
Aug. 02, 2015
Document and Entity Information [Abstract]      
Document Type 10-K    
Document Period End Date Jan. 31, 2016    
Amendment Flag false    
Entity Registrant Name KRISPY KREME DOUGHNUTS INC    
Entity Central Index Key 0001100270    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --01-31    
Entity Filer Category Large Accelerated Filer    
Entity Well Known Seasoned Issuer No    
Entity Common Stock Shares Outstanding   63,184,525  
Entity Public Float     $ 1,152,000,000
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Trading Symbol KKD