    <SEC-DOCUMENT>0000779152-22-000033-index.html : 20220503
    <SEC-HEADER>0000779152-22-000033.hdr.sgml : 20220503
    <ACCEPTANCE-DATETIME>20220503164345
    ACCESSION NUMBER:		0000779152-22-000033
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20220503
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20220503
    DATE AS OF CHANGE:		20220503

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			HENRY JACK & ASSOCIATES INC
    		CENTRAL INDEX KEY:			0000779152
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
    		IRS NUMBER:				431128385
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-14112
    		FILM NUMBER:		22887745

    	BUSINESS ADDRESS:
    		STREET 1:		PO BOX 807
    		STREET 2:		663 HWY 60
    		CITY:			MONETT
    		STATE:			MO
    		ZIP:			65708-0807
    		BUSINESS PHONE:		4172356652

    	MAIL ADDRESS:
    		STREET 1:		PO BOX 807
    		STREET 2:		663 HWY 60
    		CITY:			MONETT
    		STATE:			MO
    		ZIP:			65708-0807
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>jkhy-20220503.htm
    <DESCRIPTION>8-K- JKHY Q3 FY'2022 PRESS RELEASE
    <TEXT>
    Document 1 - file: jkhy-20220503.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>jkhy-220331xex99pressrelea.htm
    <DESCRIPTION>EX-99.1-JKHY Q3 FY2022 PRESS RELEASE
    <TEXT>
    Document 2 - file: jkhy-220331xex99pressrelea.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>jkhy-20220503.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: jkhy-20220503.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>jkhy-20220503_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: jkhy-20220503_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>jkhy-20220503_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: jkhy-20220503_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>a2021-08x30_12x49x59a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: a2021-08x30_12x49x59a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>chart-08a910e4079e41589a8a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: chart-08a910e4079e41589a8a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>chart-301134ed92424440aaea.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: chart-301134ed92424440aaea.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>chart-6d9ffb3561704aacbdfa.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: chart-6d9ffb3561704aacbdfa.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>chart-c758d1d9c21a4bf8ab8a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: chart-c758d1d9c21a4bf8ab8a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>gradient-bordera.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: gradient-bordera.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>icon-calendara.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: icon-calendara.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>icon-contacta.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: icon-contacta.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>jackhenryassociates_logox2a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: jackhenryassociates_logox2a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>jkhy-20220503_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: jkhy-20220503_htm.html

    Document 16 - RAW XML: jkhy-20220503_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>17
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: FilingSummary.html

    Document 20 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>23
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>24
    <FILENAME>0000779152-22-000033-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: 0000779152-22-000033-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>