| Document and Entity Information | Nov. 06, 2019 |
| Cover [Abstract] | |
| Entity Registrant Name | DOMINOS PIZZA INC |
| Amendment Flag | false |
| Entity Central Index Key | 0001286681 |
| Document Type | 8-K |
| Document Period End Date | Nov. 6, 2019 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-32242 |
| Entity Tax Identification Number | 38-2511577 |
| Entity Address, Address Line One | 30 Frank Lloyd Wright Drive |
| Entity Address, City or Town | Ann Arbor |
| Entity Address, State or Province | MI |
| Entity Address, Postal Zip Code | 48105 |
| City Area Code | (734) |
| Local Phone Number | 930-3030 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Domino’s Pizza, Inc. Common Stock, $0.01 par value |
| Trading Symbol | DPZ |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
