Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Jan. 30, 2016
Mar. 09, 2016
Aug. 01, 2015
Document and Entity Information      
Entity Registrant Name Michaels Companies, Inc.    
Entity Central Index Key 0001593936    
Document Type 10-K    
Document Period End Date Jan. 30, 2016    
Amendment Flag false    
Current Fiscal Year End Date --01-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,713,190,000
Entity Common Stock, Shares Outstanding   208,977,716  
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY