v3.19.2
Cover Page - shares
6 Months Ended
Jun. 30, 2019
Jul. 25, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2019  
Document Transition Report false  
Entity File Number 001-15283  
Entity Registrant Name Dine Brands Global, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-3038279  
Entity Address, Address Line One 450 North Brand Boulevard,  
Entity Address, City or Town Glendale,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 91203-1903  
City Area Code (818)  
Local Phone Number 240-6055  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol DIN  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Small Reporting Company false  
Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   17,175,598
Entity Central Index Key 0000049754  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Amendment Flag false