XML 51 R34.htm IDEA: XBRL DOCUMENT v3.23.2

Nature of Operations and Summary of Significant Accounting Policies (Details)	Jun. 30, 2023 client
Accounting Policies [Abstract]
Entity number of customers	7,500

X

- Definition

Entity number of customers

+ References

No definition available.

+ Details

Name:	jkhy_EntityNumberOfCustomers
Namespace Prefix:	jkhy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration