Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 682,057	$ 395,461	$ 1,333,129	$ 783,498
Less: Noncontrolling interests in subsidiaries' earnings	206	224	451	407
Net income attributable to common shareholders	681,851	395,237	1,332,678	783,091
Other comprehensive income, net of tax
Foreign currency translation adjustment	272,235	360,374	49,703	53,891
Retirement benefits plan activity	1,911	4,990	2,729	9,761
Other comprehensive income	274,146	365,364	52,432	63,652
Less: Other comprehensive income for noncontrolling interests	415	1,253	776	123
Other comprehensive attributable to common shareholders	273,731	364,111	51,656	63,529
Total comprehensive income attributable to common shareholders	$ 955,582	$ 759,348	$ 1,384,334	$ 846,620