Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 6,556	$ (5,049)
Postemployment severance actuarial change
Postemployment severance actuarial change, Pre-tax	129	265
Postemployment severance actuarial change, Tax	(33)	(69)
Postemployment severance actuarial change, Net of Tax	96	196
Unrealized gain (loss) on interest rate swap
Unrealized gain (loss) on interest rate swap, Pre-tax	888	(351)
Unrealized gain (loss) on interest rate swap, Tax	(229)	90
Unrealized gain (loss) on interest rate swap, Net of tax	659	(261)
Amortization of actuarial change
Amortization of actuarial change, Pre-tax	(166)	(136)
Amortization of actuarial change, Tax	43	35
Amortization of actuarial change, Net of Tax	(123)	(101)
Interest rate swap, Pre-tax	(136)	58
Interest rate swap, Tax	35	(15)
Interest rate swap, Net of Tax	(101)	43
Other comprehensive income (loss)
Other comprehensive income (loss), Pre-tax	715	(164)
Other comprehensive income (loss), Tax	(184)	41
Other comprehensive income (loss)	531	(123)
Total comprehensive income (loss)	$ 7,087	$ (5,172)