XML 32 R21.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock Based Compensation (Tables) | 6 Months Ended
--- | ---
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Share-based Compensation, Stock Options, Activity [Table Text Block] | A summary of option plan activity under these plans is as follows:
| Number of Shares |  | Weighted Average Exercise Price |  | Aggregate Intrinsic Value
Outstanding July 1, 2017 | 72 |  |  | $ | 50.04 |  |  |
Granted | — |  |  | — |  |  |
Forfeited | — |  |  | — |  |  |
Exercised | — |  |  | — |  |  |
Outstanding December 31, 2017 | 72 |  |  | $ | 50.04 |  |  | $ | 4,797 |
Vested and Expected to Vest December 31, 2017 | 72 |  |  | $ | 50.04 |  |  | $ | 4,797 |
Exercisable December 31, 2017 | 40 |  |  | $ | 20.55 |  |  | $ | 3,856 |
Schedule of Nonvested Restricted Stock Activity [Table Text Block] | The following table summarizes non-vested share awards as of December 31, 2017, as well as activity for the six months then ended:
Share awards | Shares |  | Weighted Average Grant Date Fair Value
Outstanding July 1, 2017 | 36 |  |  | $ | 73.66 |
Granted | — |  |  | — |
Vested | (11 | ) |  | 57.88 |
Forfeited | — |  |  | 64.96 |
Outstanding December 31, 2017 | 25 |  |  | $ | 80.30 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] | The following table summarizes non-vested unit awards as of December 31, 2017, as well as activity for the six months then ended:
Unit awards | Units |  | Weighted Average Grant Date Fair Value |  | Aggregate Intrinsic Value
Outstanding July 1, 2017 | 386 |  |  | $ | 67.84 |  |  |
Granted | 103 |  |  | 93.94 |  |  |
Vested | (151 | ) |  | 56.04 |  |  |
Forfeited | (3 | ) |  | 78.13 |  |  |
Outstanding December 31, 2017 | 335 |  |  | $ | 81.12 |  |  | $ | 39,118 |
ScheduleOfShareBasedPaymentAwardRSUValuationAssumptionsTableTextBlock [Table Text Block] | The weighted average assumptions used in this model to estimate fair value at the measurement date and resulting values for 81 unit awards granted in fiscal 2018 are as follows:
Volatility | 15.60 | %
Risk free interest rate | 1.55 | %
Dividend yield | 1.20 | %
Stock Beta | 0.687 |

X
- Definition us-gaap_ScheduleOfShareBasedPaymentAwardRSUValuationAssumptionsTableTextBlock [Table Text Block] + References No definition available. + Details
Name: | jkhy_ScheduleOfShareBasedPaymentAwardRSUValuationAssumptionsTableTextBlockTableTextBlock
Namespace Prefix: | jkhy_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration