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Employee Benefit Plans - Change in Projected Benefit Obligation - Tabular Disclosure (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Change in projected benefit obligation      
Projected benefit obligation at beginning of year $ 63,079 $ 77,915  
Interest cost 2,608 1,675 $ 1,682
Benefits paid (2,865) (2,426)  
Actuarial gain (2,149) (14,085)  
Projected benefit obligation at end of year $ 60,673 $ 63,079 $ 77,915