Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Oct. 28, 2017
Nov. 24, 2017
Document and Entity Information    
Entity Registrant Name Michaels Companies, Inc.  
Entity Central Index Key 0001593936  
Document Type 10-Q  
Document Period End Date Oct. 28, 2017  
Amendment Flag false  
Current Fiscal Year End Date --02-03  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   181,248,635
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3