Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 311,913	$ 56,322	$ 687,812	$ 341,857
Less: Noncontrolling interests in subsidiaries' earnings	176	163	364	301
Net income attributable to common shareholders	311,737	56,159	687,448	341,556
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustment and other	(43,986)	28,390	(79,111)	101,269
Retirement benefits plan activity	24,527	28,312	48,400	55,047
Other comprehensive (loss) income	(19,459)	56,702	(30,711)	156,316
Less: Other comprehensive income (loss) for noncontrolling interests	55	(73)	(34)	(160)
Other comprehensive (loss) income attributable to common shareholders	(19,514)	56,775	(30,677)	156,476
Total comprehensive income attributable to common shareholders	$ 292,223	$ 112,934	$ 656,771	$ 498,032