Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 447,497	$ 204,598	$ 769,214	$ 543,639
Less: Noncontrolling interests in subsidiaries' earnings	191	124	499	267
Net income attributable to common shareholders	447,306	204,474	768,715	543,372
Other comprehensive income, net of tax
Foreign currency translation adjustment	217,828	151,583	348,510	48,862
Retirement benefits plan activity	40,984	33,416	81,136	64,442
Other comprehensive income	258,812	184,999	429,646	113,304
Less: Other comprehensive income (loss) for noncontrolling interests	846	137	1,277	(12)
Other comprehensive income attributable to common shareholders	257,966	184,862	428,369	113,316
Total comprehensive income attributable to common shareholders	$ 705,272	$ 389,336	$ 1,197,084	$ 656,688