Retirement benefits (Tables)

3 Months Ended

Sep. 30, 2024

Retirement Benefits [Abstract]

Net pension (benefit) expense

Net pension (benefit) expense recognized included the following components:

	U.S. Pension Benefits				Non-U.S. Pension Benefits
	Three Months Ended				Three Months Ended
	September 30,				September 30,
	2024		2023		2024		2023
Service cost	$	6,973	$	7,904	$	5,641	$	5,623
Interest cost	46,013		47,026		19,202		19,855
Expected return on plan assets	(61,243)		(64,382)		(21,929)		(23,866)
Amortization of prior service cost	763		211		64		91
Amortization of net actuarial loss (gain)	2,577		(404)		1,672		1,586
Net pension (benefit) expense	$	(4,917)	$	(9,645)	$	4,650	$	3,289