Equity - Changes in accumulated other comprehensive income (loss) in shareholders' equity by component (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 10,338,279	$ 8,859,920
Ending balance	10,574,950	8,773,404
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(962,044)	(1,149,071)
Other comprehensive (loss) before reclassifications	(222,893)	(305,353)
Amounts reclassified from accumulated other comprehensive (loss)	0	0
Ending balance	(1,184,937)	(1,454,424)
Retirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(330,828)	(394,127)
Other comprehensive (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive (loss)	818	4,771
Ending balance	(330,010)	(389,356)
Accumulated Other Comprehensive (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,292,872)	(1,543,198)
Other comprehensive (loss) before reclassifications	(222,893)	(305,353)
Amounts reclassified from accumulated other comprehensive (loss)	818	4,771
Ending balance	$ (1,514,947)	$ (1,843,780)