Equity Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (2,227,765)
Ending Balance	(2,411,144)
Foreign Currency Translation Adjustment and Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(844,121)	$ (641,018)
Other comprehensive income before reclassifications	(253,484)	(203,133)
Amounts reclassified from other comprehensive (loss)	(230)	(93)
Ending Balance	(1,097,835)	(844,244)
Retirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(1,383,644)	(1,097,600)
Other comprehensive income before reclassifications	0	0
Amounts reclassified from other comprehensive (loss)	70,335	57,117
Ending Balance	(1,313,309)	(1,040,483)
Total
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,227,765)	(1,738,618)
Other comprehensive income before reclassifications	(253,484)	(203,133)
Amounts reclassified from other comprehensive (loss)	70,105	57,024
Ending Balance	$ (2,411,144)	$ (1,884,727)