XML 11 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document And Entity Information - shares
9 Months Ended
Sep. 28, 2017
Nov. 03, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 28, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Entity Registrant Name MARCUS CORP  
Entity Central Index Key 0000062234  
Current Fiscal Year End Date --12-28  
Entity Filer Category Accelerated Filer  
Trading Symbol MCS  
Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   19,242,578
Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   8,596,301