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Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Income Taxes [Line Items] |  |  |
Additional income tax benefits as an increase to earnings | $ 23,346 | $ 39,534 | $ 26,658
Penalties and interest | 47,500 |  |
Income taxes paid | 221,359 | 180,359 | 242,860
Unrecognized tax benefits | 395,300 |  |
Tax credits and deductions | 146,600 |  |
Income taxes payable | 307,963 | 64,755 |
Income tax expense from transition tax | $ 531,812 | $ 124,602 | 127,540
Payable period of additional tax expense | 8 years |  |
U.S. Federal income tax rate | 21.00% | 21.00% |
Increase to net earnings from tax holidays and tax incentives program | $ 33,600 | $ 43,800 | $ 20,300
Increase to net earnings per diluted share from tax holidays and tax incentives program | $ 0.23 | $ 0.30 | $ 0.14
Additional tax expense |  |  | $ 6,038
Undistributed earnings | $ 3,200,000 |  |
Unrecognized tax benefits, if recognized, effects tax rate | 248,700 |  |
Extraordinary Dispositions [Member] |  |  |
Income Taxes [Line Items] |  |  |
Amount of deferred taxes that would have been recognized if the earnings has not been permanently reinvested | 202,600 |  |
Australian Taxation Office [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income taxes paid | $ 98,800 |  |
Percentage of recognized tax benefit for uncertain tax position | 50.00% |  |
Australian Taxation Office [Member] | Tax Years 2009 to 2013 [Member] |  |  |
Income Taxes [Line Items] |  |  |
Tax liabilities related to assessments | $ 266,000 |  |
Additional income tax | 151,700 |  |
Penalties and interest | 114,300 |  |
Domestic Tax Authority [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 25,100 |  |
Amount of deferred taxes that would have been recognized if the earnings has not been permanently reinvested | 5,100 |  |
Foreign Tax Authority [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 7,600 |  |
Tax cuts and jobs act, income tax expense (benefit) |  |  | $ 6,000
Valuation Allowance | Foreign Tax Authority [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 800 |  |
Capital loss | $ 12,300 |  |

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