Retirement benefits (Tables)

9 Months Ended

Mar. 31, 2025

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
	March 31,				March 31,
	2025		2024		2025		2024
Service cost	$	6,972	$	7,326	$	5,378	$	5,320
Interest cost	46,013		47,376		18,461		20,268
Expected return on plan assets	(61,243)		(64,383)		(21,084)		(23,998)
Amortization of prior service cost	762		227		63		92
Amortization of net actuarial loss	2,577		401		1,604		1,591
Net pension (benefit) expense	$	(4,919)	$	(9,053)	$	4,422	$	3,273

	U.S. Pension Benefits				Non-U.S. Pension Benefits
	Nine Months Ended				Nine Months Ended
	March 31,				March 31,
	2025		2024		2025		2024
Service cost	$	20,918	$	21,977	$	16,459	$	16,616
Interest cost	138,039		142,128		56,267		59,949
Expected return on plan assets	(183,730)		(193,148)		(64,263)		(71,714)
Amortization of prior service cost	2,287		681		191		274
Amortization of net actuarial loss	7,732		1,204		4,890		4,763
Net pension (benefit) expense	$	(14,754)	$	(27,158)	$	13,544	$	9,888