Document and Entity Information
3 Months Ended
Mar. 29, 2015
Apr. 29, 2015
Document Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 29, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q1  
Trading Symbol CEC  
Entity Registrant Name CEC ENTERTAINMENT INC  
Entity Central Index Key 0000813920  
Current Fiscal Year End Date --12-27  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   200