Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 948,649	$ 682,057	$ 1,647,177	$ 1,333,129
Less: Noncontrolling interests in subsidiaries' earnings	107	206	215	451
Net income attributable to common shareholders	948,542	681,851	1,646,962	1,332,678
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustment	(449,152)	272,235	(104,606)	49,703
Retirement benefits plan activity	3,410	1,911	6,861	2,729
Other comprehensive (loss) income	(445,742)	274,146	(97,745)	52,432
Less: Other comprehensive (loss) income for noncontrolling interests	(1,048)	415	(628)	776
Other comprehensive (loss) income attributable to common shareholders	(444,694)	273,731	(97,117)	51,656
Total comprehensive income attributable to common shareholders	$ 503,848	$ 955,582	$ 1,549,845	$ 1,384,334