Equity Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning Balance			$ (823,498)
Ending Balance	(1,638,224)		(823,498)
Foreign currency translation adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning Balance	124,620	(68,328)
Other comprehensive income before reclassifications	(892,804)	178,802
Amounts reclassified from other comprehensive (loss)	0	0
Ending Balance	(768,184)	110,474
Retirement benefit plans
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning Balance	(947,890)	(1,039,072)
Other comprehensive income before reclassifications	0	0
Amounts reclassified from other comprehensive (loss)	77,793	81,801
Ending Balance	(870,097)	(957,271)
Other
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning Balance	(228)	(433)
Other comprehensive income before reclassifications	132	0
Amounts reclassified from other comprehensive (loss)	153	153
Ending Balance	57	(280)
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning Balance	(823,498)	(1,107,833)
Other comprehensive income before reclassifications	(892,672)	178,802
Amounts reclassified from other comprehensive (loss)	77,946	81,954
Ending Balance	$ (1,638,224)	$ (847,077)