Equity - Changes in equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 10,338,279	$ 8,859,920
Net income	651,072	388,037
Other comprehensive (loss) income	(221,714)	(301,712)
Dividends paid	$ (190,420)	$ (171,176)
Dividends paid (in USD per share)	$ 1.48	$ 1.33
Stock incentive plan activity	$ 49,747	$ 48,335
Acquisition activity	(2,014)
Shares purchased at cost	(50,000)	(50,000)
Ending balance	10,574,950	8,773,404
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	90,523	90,523
Ending balance	90,523	90,523
Additional Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	305,522	327,307
Stock incentive plan activity	31,225	33,136
Acquisition activity	415
Ending balance	337,162	360,443
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	17,041,502	15,661,808
Net income	650,827	387,854
Dividends paid	(190,420)	(171,097)
Ending balance	17,501,909	15,878,565
Accumulated Other Comprehensive (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,292,872)	(1,543,198)
Other comprehensive (loss) income	(222,075)	(300,582)
Ending balance	(1,514,947)	(1,843,780)
Treasury Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(5,817,787)	(5,688,429)
Stock incentive plan activity	18,522	15,199
Shares purchased at cost	(50,000)	(50,000)
Ending balance	(5,849,265)	(5,723,230)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	11,391	11,909
Net income	245	183
Other comprehensive (loss) income	361	(1,130)
Dividends paid		(79)
Acquisition activity	(2,429)
Ending balance	$ 9,568	$ 10,883