Retirement benefits (Tables)

6 Months Ended

Dec. 31, 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
	December 31,				December 31,
	2024		2023		2024		2023
Service cost	$	6,973	$	6,747	$	5,440	$	5,673
Interest cost	46,013		47,726		18,604		19,826
Expected return on plan assets	(61,244)		(64,383)		(21,250)		(23,850)
Amortization of prior service cost	762		243		64		91
Amortization of net actuarial loss	2,578		1,207		1,614		1,586
Net pension (benefit) expense	$	(4,918)	$	(8,460)	$	4,472	$	3,326

	U.S. Pension Benefits				Non-U.S. Pension Benefits
	Six Months Ended				Six Months Ended
	December 31,				December 31,
	2024		2023		2024		2023
Service cost	$	13,946	$	14,651	$	11,081	$	11,296
Interest cost	92,026		94,752		37,806		39,681
Expected return on plan assets	(122,487)		(128,765)		(43,179)		(47,716)
Amortization of prior service cost	1,525		454		128		182
Amortization of net actuarial loss	5,155		803		3,286		3,172
Net pension (benefit) expense	$	(9,835)	$	(18,105)	$	9,122	$	6,615