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