Equity Changes in Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Changes in equity
Beginning balance	$ 4,802,721	$ 5,760,141	$ 5,107,569	$ 6,662,808
Net income	187,142	285,462	565,305	832,968
Other Comprehensive Income (Loss), Net of Tax	159,188	(347,888)	12,947	(814,906)
Dividends paid	(85,182)	(87,989)	(256,890)	(252,745)
Stock incentive plan activity	13,114	22,092	48,052	70,392
Shares purchased at cost	(50,000)	(476,879)	(450,000)	(1,343,578)
Ending balance	5,026,983	5,154,939	5,026,983	5,154,939
Shareholders' Equity
Changes in equity
Beginning balance	4,799,406	5,756,749	5,104,287	6,659,428
Net income	187,084	285,345	565,044	832,686
Other Comprehensive Income (Loss), Net of Tax	159,190	(347,861)	13,080	(814,726)
Dividends paid	(85,182)	(87,731)	(256,851)	(252,487)
Stock incentive plan activity	13,114	22,092	48,052	70,392
Shares purchased at cost	(50,000)	(476,879)	(450,000)	(1,343,578)
Ending balance	5,023,612	5,151,715	5,023,612	5,151,715
Noncontrolling Interests
Changes in equity
Beginning balance	3,315	3,392	3,282	3,380
Net income	58	117	261	282
Other Comprehensive Income (Loss), Net of Tax	(2)	(27)	(133)	(180)
Dividends paid	0	(258)	(39)	(258)
Stock incentive plan activity	0	0	0	0
Shares purchased at cost	0	0	0	0
Ending balance	$ 3,371	$ 3,224	$ 3,371	$ 3,224