Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 204,598	$ 311,913	$ 543,639	$ 687,812
Less: Noncontrolling interests in subsidiaries' earnings	124	176	267	364
Net income attributable to common shareholders	204,474	311,737	543,372	687,448
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment and other	151,583	(43,986)	48,862	(79,111)
Retirement benefits plan activity	33,416	24,527	64,442	48,400
Other comprehensive income (loss)	184,999	(19,459)	113,304	(30,711)
Less: Other comprehensive income (loss) for noncontrolling interests	137	55	(12)	(34)
Other comprehensive income (loss) attributable to common shareholders	184,862	(19,514)	113,316	(30,677)
Total comprehensive income attributable to common shareholders	$ 389,336	$ 292,223	$ 656,688	$ 656,771