<SEC-DOCUMENT>0001193125-18-241502-index.html : 20180808
<SEC-HEADER>0001193125-18-241502.hdr.sgml : 20180808
<ACCEPTANCE-DATETIME>20180807194704
ACCESSION NUMBER:		0001193125-18-241502
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180807
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180808
DATE AS OF CHANGE:		20180807

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACI WORLDWIDE, INC.
		CENTRAL INDEX KEY:			0000935036
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				470772104
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25346
		FILM NUMBER:		18999539

	BUSINESS ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105
		BUSINESS PHONE:		239-403-4600

	MAIL ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSACTION SYSTEMS ARCHITECTS INC
		DATE OF NAME CHANGE:	19950109
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d596753d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d596753d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d596753dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d596753dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g596753g97s94.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g596753g97s94.jpg

</DOCUMENT>
</SEC-DOCUMENT>