Equity Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (2,227,765)
Ending Balance	(2,185,472)
Foreign Currency Translation Adjustment and Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(844,121)	$ (641,018)
Other comprehensive income before reclassifications	8,298	(112,077)
Amounts reclassified from other comprehensive (loss)	(167)	(6)
Ending Balance	(835,990)	(753,101)
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)	34,162	28,896
Ending Balance	(1,349,482)	(1,068,704)
Total
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,227,765)	(1,738,618)
Other comprehensive income before reclassifications	8,298	(112,077)
Amounts reclassified from other comprehensive (loss)	33,995	28,890
Ending Balance	$ (2,185,472)	$ (1,821,805)