Accumulated Other Comprehensive (Loss) Income - Components of and Changes in AOCL (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	$ (330,327)
Net current period other comprehensive loss	(87,189)	$ 88,844	$ (46,158)
Accumulated Other Comprehensive (Loss) Income	(413,951)	(330,327)
Post-retirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	(213,172)	(232,634)	(222,270)
Net current period other comprehensive loss	4,766	19,462	(10,364)
Other comprehensive loss before reclassifications	(4,163)	9,107	(18,299)
Amounts reclassified from accumulated other comprehensive loss	8,929	10,355	7,935
Accumulated Other Comprehensive (Loss) Income	(208,406)	(213,172)	(232,634)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	(122,428)	(181,027)	(147,595)
Net current period other comprehensive loss	(87,620)	58,599	(33,432)
Other comprehensive loss before reclassifications	(87,620)	58,599	(33,432)
Amounts reclassified from accumulated other comprehensive loss		0	0
Accumulated Other Comprehensive (Loss) Income	(210,048)	(122,428)	(181,027)
Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	5,273	(3,581)	(3,678)
Net current period other comprehensive loss	(770)	8,854	97
Other comprehensive loss before reclassifications	0	9,255	(582)
Amounts reclassified from accumulated other comprehensive loss	(770)	(401)	679
Accumulated Other Comprehensive (Loss) Income	4,503	5,273	(3,581)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	(330,327)	(417,242)	(373,543)
Net current period other comprehensive loss	(83,624)	86,915	(43,699)
Other comprehensive loss before reclassifications	(91,783)	76,961	(52,313)
Amounts reclassified from accumulated other comprehensive loss	8,159	9,954	8,614
Net current period other comprehensive loss	(83,624)	86,915	(43,699)
Accumulated Other Comprehensive (Loss) Income	(413,951)	(330,327)	(417,242)
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	(3,982)	(5,909)	(3,450)
Other comprehensive loss before reclassifications	(3,565)	1,927	(2,459)
Net current period other comprehensive loss	(3,565)	1,927	(2,459)
Accumulated Other Comprehensive (Loss) Income	(7,547)	(3,982)	(5,909)
AOCI Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income	(3,982)	(5,909)	(3,450)
Other comprehensive loss before reclassifications	(3,565)	1,927	(2,459)
Net current period other comprehensive loss	(3,565)	1,927	(2,459)
Accumulated Other Comprehensive (Loss) Income	$ (7,547)	$ (3,982)	$ (5,909)