Postretirement and Other Employee Benefits - Components of Net Periodic Pension Costs for the Swiss Pension Plan (Details) - Foreign Plan - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Components of net periodic cost
Service cost	$ 703	$ 793	$ 2,114	$ 2,351
Interest cost	49	38	147	113
Prior service credit	(118)	(84)	(355)	(251)
Net actuarial loss	0	62	0	185
Expected return on plan assets	(358)	(302)	(1,076)	(888)
Net periodic cost	$ 276	$ 507	$ 830	$ 1,510