Document and Entity Information
Document and Entity Information | Nov. 19, 2019 |
Cover [Abstract] | |
Document Period End Date | Nov. 19, 2019 |
Amendment Flag | false |
Entity Central Index Key | 0000935036 |
Document Type | 8-K |
Entity Registrant Name | ACI WORLDWIDE, INC. |
Entity Incorporation State Country Code | DE |
Entity File Number | 0-25346 |
Entity Tax Identification Number | 47-0772104 |
Entity Address, Address Line One | 3520 Kraft Rd |
Entity Address, Address Line Two | Suite 300 |
Entity Address, City or Town | Naples |
Entity Address, State or Province | FL |
Entity Address, Postal Zip Code | 34105 |
City Area Code | (239) |
Local Phone Number | 403-4600 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, $0.005 par value |
Trading Symbol | ACIW |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |