Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 285,535	$ 210,238
Less: Noncontrolling interests in subsidiaries' earnings	138	109
Net income attributable to common shareholders	285,397	210,129
Other comprehensive income, net of tax
Foreign currency translation adjustment and other	72,879	8,180
Retirement benefits plan activity	26,735	34,162
Other comprehensive income	99,614	42,342
Less: Other comprehensive (loss) income for noncontrolling interests	(87)	49
Other comprehensive income attributable to common shareholders	99,701	42,293
Total comprehensive income attributable to common shareholders	$ 385,098	$ 252,422