Accumulated Other Comprehensive (Loss) Income Accumulated Other Comprehensive (Loss) Income - Income Tax Allocated to Each Component of Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive (Loss) IncomeAccumulated Other Comprehensive (Loss) Income - Income Tax Allocated to Each Component of Other Comprehensive Income [Abstract]
Reclassification of unrealized gain on expired derivatives designated and qualified as cash flow hedges	$ 725	$ 770	$ 770
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	235	250	250
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	960	1,020	1,020
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(13,328)	(13,972)	(3,894)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	3,228	3,570	(269)
Unrecognized net pension and other postretirement benefit plans (loss) gain	(10,100)	(10,402)	(4,163)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	5,713	4,450	11,830
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	(1,486)	(1,077)	(2,901)
Reclassification of net pension and other postretirement benefit plans loss	4,227	3,373	8,929
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(14,215)	6,959	(91,012)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	51	(144)	(173)
Foreign currency translation adjustments	(14,164)	6,815	(91,185)
Other Comprehensive Income (Loss), before Tax	(22,824)	(3,583)	(84,096)
Other Comprehensive Income (Loss), Tax	2,036	2,599	(3,093)
Other comprehensive (loss) income, net of tax	(20,788)	(984)	(87,189)
Unrealized gain on derivatives designated and qualified as cash flow hedges	(26)	$ 0	$ 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(34)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	8
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	$ (26)