CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (15,661,000)	$ (41,651,000)	$ (37,087,000)
Other comprehensive loss:
Unrealized gains (losses) on derivatives designated as cash flow hedges	12,172,000	11,715,000	(7,518,000)
(Gains) losses on derivatives designated as cash flow hedges reclassified to cost of goods sold	(15,865,000)	(1,593,000)	8,863,000
Losses on derivative instruments undesignated as cash flow hedges reclassified to interest expense	1,208,000	1,284,000	0
Change in pension and retiree benefit obligations	(9,383,000)	(19,294,000)	13,722,000
Total comprehensive loss	$ (8,763,000)	$ (10,951,000)	$ (49,464,000)