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Stock Based Compensation (Tables) | 3 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement, Option, Activity [Table Text Block] | A summary of option plan activity under this plan is as follows:
| Number of Shares |  | Weighted Average Exercise Price |  | Aggregate Intrinsic Value
Outstanding July 1, 2020 | 22 |  |  | $ | 87.27 |  |  |
Granted | — |  |  | — |  |  |
Forfeited | — |  |  | — |  |  |
Exercised | — |  |  | — |  |  |
Outstanding September 30, 2020 | 22 |  |  | $ | 87.27 |  |  | $ | 1,633 |
Vested and Expected to Vest September 30, 2020 | 22 |  |  | $ | 87.27 |  |  | $ | 1,633 |
Exercisable September 30, 2020 | 22 |  |  | $ | 87.27 |  |  | $ | 1,633 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] | The following table summarizes non-vested restricted stock unit awards as of September 30, 2020:
Unit awards | Units |  | Weighted Average Grant Date Fair Value |  | Aggregate Intrinsic Value
Outstanding July 1, 2020 | 307 |  |  | $ | 136.41 |  |  |
Granted | 63 |  |  | 190.03 |  |  |
Vested | (73) |  |  | 90.52 |  |  |
Forfeited | — |  |  | — |  |  |
Outstanding September 30, 2020 | 297 |  |  | $ | 158.95 |  |  | $ | 48,251 |
ScheduleOfShareBasedPaymentAwardRSUValuationAssumptionsTableTextBlock [Table Text Block] | The Monte Carlo inputs used in the model to estimate fair value at the measurement date and resulting values for these performance unit awards are as follows.
| Compensation Peer Group |  | S&P 1500 IT Index |  |
Volatility | 25.17 | % |  | 25.17 | % |  |
Risk free interest rate | 0.11 | % |  | 0.11 | % |  |
Annual dividend based on most recent quarterly dividend | 1.72 |  |  | 1.72 |  |  |
Beginning TSR | 37 | % |  | 30 | % |  |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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