Equity - Changes in Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 5,267,346	$ 4,578,678
Net income	285,535	210,238
Other comprehensive income (loss)	99,614	42,342
Dividends paid	(88,104)	(84,749)
Stock incentive plan activity	16,297	18,772
Acquisition activity	(29)
Shares purchased at cost	(50,000)	(114,692)
Ending balance	5,530,659	4,650,589
Shareholders’ Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	5,261,649	4,575,255
Net income	285,397	210,129
Other comprehensive income (loss)	99,701	42,293
Dividends paid	(88,104)	(84,476)
Stock incentive plan activity	16,297	18,772
Acquisition activity	0
Shares purchased at cost	(50,000)	(114,692)
Ending balance	5,524,940	4,647,281
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	5,697	3,423
Net income	138	109
Other comprehensive income (loss)	(87)	49
Dividends paid	0	(273)
Stock incentive plan activity	0	0
Acquisition activity	(29)
Shares purchased at cost	0	0
Ending balance	$ 5,719	$ 3,308