Equity - Changes in accumulated other comprehensive income (loss) in shareholders' equity by component (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jul. 01, 2018	Jun. 30, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 5,968,152	$ 5,865,493
Impact of adoption of ASU 2016-01			$ (1,734)	$ (251)
Other comprehensive income (loss) before reclassifications	(232,981)	(39,887)
Amounts reclassified from accumulated other comprehensive (loss)	96,567	75,792
Ending balance	6,307,427	6,016,048
Foreign Currency Translation Adjustment and Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,011,656)	(943,477)
Impact of adoption of ASU 2016-01			(1,734)
Other comprehensive income (loss) before reclassifications	(232,981)	(39,887)
Amounts reclassified from accumulated other comprehensive (loss)	0	3,578
Ending balance	(1,244,637)	(981,520)
Retirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,047,392)	(819,609)
Impact of adoption of ASU 2016-01			$ 0
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive (loss)	96,567	72,214
Ending balance	(950,825)	(747,395)
Accumulated Other Comprehensive (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,059,048)	(1,763,086)
Impact of adoption of ASU 2016-01				$ (1,734)
Ending balance	$ (2,195,462)	$ (1,728,915)