Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 56,322	$ 241,400	$ 341,857	$ 451,638
Less: Noncontrolling interests in subsidiaries' earnings	163	95	301	204
Net income attributable to common shareholders	56,159	241,305	341,556	451,434
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment and other	28,389	(261,914)	101,269	(253,734)
Retirement benefits plan activity	28,312	36,173	55,047	70,335
Other comprehensive income (loss)	56,701	(225,741)	156,316	(183,399)
Less: Other comprehensive (loss) for noncontrolling interests	(73)	(69)	(160)	(20)
Other comprehensive income (loss) attributable to common shareholders	56,774	(225,672)	156,476	(183,379)
Total comprehensive income attributable to common shareholders	$ 112,933	$ 15,633	$ 498,032	$ 268,055