XML 86 R68.htm IDEA: XBRL DOCUMENT v3.21.2

Reportable Segment Information Narrative (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2021 segment	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Segment Reporting [Abstract]
Number of Reportable Segments | segment	4
Core Segment [Member]
Segment Reporting [Abstract]
Reclassification of Revenue Between Reportable Segments		$ (20,797)	$ (13,515)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reclassification of Revenue Between Reportable Segments		(20,797)	(13,515)
Reclassification of Cost Between Reportable Segments		(12,386)	(8,513)
Complementary [Member]
Segment Reporting [Abstract]
Reclassification of Revenue Between Reportable Segments		20,797	13,515
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reclassification of Revenue Between Reportable Segments		20,797	13,515
Reclassification of Cost Between Reportable Segments		$ 12,386	$ 8,513

X

- Definition

Reclassification of Cost Between Reportable Segments

+ References

No definition available.

+ Details

Name:	jkhy_ReclassificationOfCostBetweenReportableSegments
Namespace Prefix:	jkhy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Reclassification of Revenue Between Reportable Segments

+ References

No definition available.

+ Details

Name:	jkhy_ReclassificationofRevenueBetweenReportableSegments
Namespace Prefix:	jkhy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=jkhy_CoreSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=jkhy_ComplementaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: