Document and Entity Information
9 Months Ended
Oct. 01, 2017
Entity Information [Line Items]  
Number of States in which Entity Operates | State 47
Document Type 10-Q
Amendment Flag false
Document Period End Date Oct. 01, 2017
Document Fiscal Year Focus 2017
Document Fiscal Period Focus Q3
Trading Symbol CEC
Entity Registrant Name CEC ENTERTAINMENT INC
Entity Central Index Key 0000813920
Current Fiscal Year End Date --01-01
Entity Filer Category Non-accelerated Filer
Entity Common Stock, Shares Outstanding | shares 200