Retirement Benefits - Schedule of benefit payments expected to be paid (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated future benefit payments in the year ending June 30, 2025	$ 7,173
Estimated future benefit payments in the year ending June 30, 2026	6,942
Estimated future benefit payments in the year ending June 30, 2027	6,740
Estimated future benefit payments in the year ending June 30, 2028	6,495
Estimated future benefit payments in the year ending June 30, 2029	6,223
Estimated future benefit payments in the aggregate for the five years ending June 30, 2030 through June 30, 2034	27,418
United States \| Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated future benefit payments in the year ending June 30, 2025	320,196
Estimated future benefit payments in the year ending June 30, 2026	271,372
Estimated future benefit payments in the year ending June 30, 2027	275,091
Estimated future benefit payments in the year ending June 30, 2028	275,915
Estimated future benefit payments in the year ending June 30, 2029	285,845
Estimated future benefit payments in the aggregate for the five years ending June 30, 2030 through June 30, 2034	1,401,115
Non-U.S. Pension Benefits \| Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated future benefit payments in the year ending June 30, 2025	90,611
Estimated future benefit payments in the year ending June 30, 2026	94,139
Estimated future benefit payments in the year ending June 30, 2027	96,586
Estimated future benefit payments in the year ending June 30, 2028	98,000
Estimated future benefit payments in the year ending June 30, 2029	101,622
Estimated future benefit payments in the aggregate for the five years ending June 30, 2030 through June 30, 2034	$ 531,742

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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