Defined Benefit Pension Obligation - Amounts Recognized (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Amounts recognized within the consolidated balance sheets:
Assets	$ 472,849	$ 480,098
Defined benefit pension plan
Amounts recognized within the consolidated balance sheets:
Long-term other liabilities	(103)	(4,286)
Net amount recognized	(103)	(4,286)
Amounts recognized in accumulated other comprehensive loss (before tax)
Net actuarial loss (gain)	3,723	(1,236)
Prior service cost	224	872
Accumulated other comprehensive income (loss)	3,947	(364)
Accumulated benefit obligations in excess of fair value of plan assets:
Projected benefit obligation	17,453	18,705
Accumulated benefit obligation	15,546	16,891
Fair value of plan assets	$ 17,350	$ 14,419