Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (36,063)	$ (21,314)	$ (29,507)	$ (26,363)
Postemployment severance actuarial change
Postemployment severance actuarial change, Pre-tax	244	298	373	563
Postemployment severance actuarial change, Tax	(63)	(76)	(96)	(145)
Postemployment severance actuarial change, Net of Tax	181	222	277	418
Unrealized gain (loss) on interest rate swap
Unrealized gain (loss) on interest rate swap, Pre-tax	177	452	1,065	101
Unrealized gain (loss) on interest rate swap, Tax	(45)	(116)	(274)	(26)
Unrealized gain (loss) on interest rate swap, Net of tax	132	336	791	75
Amortization of actuarial change
Amortization of actuarial change, Pre-tax	(166)	(134)	(332)	(270)
Amortization of actuarial change, Tax	42	34	85	69
Amortization of actuarial change, Net of Tax	(124)	(100)	(247)	(201)
Interest rate swap, Pre-tax	(281)	75	(417)	133
Interest rate swap, Tax	72	(19)	107	(34)
Interest rate swap, Net of Tax	(209)	56	(310)	99
Other comprehensive income (loss)
Other comprehensive income (loss), Pre-tax	(26)	691	689	527
Other comprehensive income (loss), Tax	6	(177)	(178)	(136)
Other comprehensive income (loss)	(20)	514	511	391
Total comprehensive income (loss)	$ (36,083)	$ (20,800)	$ (28,996)	$ (25,972)