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RSU Measurement Date Assumptions (Details) - Restricted Stock Units (RSUs) [Member] | 12 Months Ended
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Jun. 30, 2021 Rate | Jun. 30, 2020 | Jun. 30, 2019
Compensation Peer Group [Member] |  |  |
RSU grant date weighted average fair value assumptions |  |  |
Volatility | 25.20% | 16.80% | 15.30%
Risk free interest rate | 0.11% | 1.34% | 2.89%
Dividend yield | 1.00% | 1.10% | 0.90%
S&P 500 IT Index [Member] |  |  |
RSU grant date weighted average fair value assumptions |  |  |
Volatility | 25.20% | 16.80% | 0.00%
Risk free interest rate | 0.11% | 1.34% | 0.00%
Dividend yield | 1.00% | 1.10% | 0.00%

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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 (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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 (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + 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 (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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