Equity - Reclassifications out of accumulated other comprehensive income (loss) in shareholders' equity (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021		Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other (income) expense, net	$ 40,641	$ (119,443)	[1],[2]	$ 60,265	$ (120,026)	[1],[2]
Income before income taxes	516,743	490,324	[1],[2]	1,020,088	1,062,069	[1]
Tax benefit	(121,282)	(102,595)	[1],[2]	(236,590)	(222,877)	[1],[2]
Net income	395,461	387,729	[1]	783,498	839,192	[1],[2]
Income (Expense) Reclassified from Accumulated Other Comprehensive (Loss) | Amortization of prior service cost and initial net obligation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other (income) expense, net	(242)	(1,124)		(452)	(2,060)
Income (Expense) Reclassified from Accumulated Other Comprehensive (Loss) | Recognized actuarial loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other (income) expense, net	(6,369)	(41,057)		(12,479)	(78,560)
Income (Expense) Reclassified from Accumulated Other Comprehensive (Loss) | Retirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income taxes	(6,611)	(42,181)		(12,931)	(80,620)
Tax benefit	1,621	10,322		3,170	19,739
Net income	$ (4,990)	$ (31,859)		$ (9,761)	$ (60,881)

[1] *Prior period amounts have been reclassified to reflect the income statement reclassification as described in Note 1.

[2] *Prior period amounts have been reclassified to reflect the income statement reclassification as described in Note 1.