Equity - Changes in accumulated other comprehensive (loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 8,413,670	$ 6,241,770
Ending balance	8,859,920	8,413,670
Foreign Currency Translation Adjustment and Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(865,865)	(1,193,937)
Other comprehensive income before reclassifications	(290,853)	328,072
Amounts reclassified from accumulated other comprehensive (loss)	7,647	0
Ending balance	(1,149,071)	(865,865)
Retirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(700,862)	(1,364,938)
Other comprehensive income before reclassifications	185,101	502,853
Amounts reclassified from accumulated other comprehensive (loss)	121,634	161,223
Ending balance	(394,127)	(700,862)
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,566,727)	(2,558,875)
Other comprehensive income before reclassifications	(105,752)	830,925
Amounts reclassified from accumulated other comprehensive (loss)	129,281	161,223
Ending balance	$ (1,543,198)	$ (1,566,727)