Retirement Plans - Obligations and Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Amounts recognized within the consolidated balance sheets:
Assets	$ 479,214	$ 472,849
Defined benefit pension plan
Change in benefit obligation:
Benefit obligation—beginning of fiscal year	17,453	18,705
Service cost	1,241	1,513	$ 1,766
Interest cost	336	75	38
Plan participants’ contributions	2,486	2,554
Plan amendment	0	(699)
Actuarial (gain)/loss	389	(3,460)
Foreign currency changes	1,205	(577)
Settlements	(3,542)	0
Benefit and expense payments	(180)	(658)
Benefit obligation—end of fiscal year	19,388	17,453	18,705
Change in plan assets:
Plan assets—beginning of fiscal year	17,350	14,419
Employer contributions	1,295	1,225	1,100
Actual return on plan assets	179	374
Plan participants’ contributions	2,486	2,554
Foreign currency changes	1,173	(564)
Settlements	(3,542)	0
Benefit and expense payments	(180)	(658)
Plan assets—end of fiscal year	18,761	17,350	$ 14,419
Funded status	(627)	(103)
Amounts recognized within the consolidated balance sheets:
Assets	0	0
Long-term other liabilities	(627)	(103)
Net amount recognized	$ (627)	$ (103)