Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 726,734	$ 590,960	$ 2,059,863	$ 1,374,458
Less: Noncontrolling interests in subsidiaries' earnings	160	71	611	478
Net income attributable to common shareholders	726,574	590,889	2,059,252	1,373,980
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustment	(168,919)	92,106	(119,216)	145,997
Retirement benefits plan activity	1,369	(1,364)	4,098	8,397
Other comprehensive (loss) income	(167,550)	90,742	(115,118)	154,394
Less: Other comprehensive (loss) income for noncontrolling interests	(392)	(299)	384	(176)
Other comprehensive (loss) income attributable to common shareholders	(167,158)	91,041	(115,502)	154,570
Total comprehensive income attributable to common shareholders	$ 559,416	$ 681,930	$ 1,943,750	$ 1,528,550