Employee Benefit Plans - Net Periodic Pension Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Net periodic pension expense
Interest cost on benefit obligation	$ 1,675	$ 1,682	$ 2,112
Expected return on plan assets	(3,413)	(3,660)	(3,144)
Amortization of net actuarial loss and prior service costs	480	560	515
Net periodic pension income	$ (1,258)	$ (1,418)	$ (517)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense