CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Net loss	$ (79,180,000)	$ (15,661,000)	$ (41,651,000)
Unrealized gains (losses) on derivatives designated as cash flow hedges	(2,384,000)	12,172,000	11,715,000
Change in pension and retiree benefit obligations	(8,467,000)	(9,383,000)	(19,294,000)
Total comprehensive loss	(73,580,000)	(8,763,000)	(10,951,000)
Cost of goods sold
Gains on derivatives designated as cash flow hedges reclassified to cost of goods sold	1,392,000	15,865,000	1,593,000
Interest expense
Gains on derivatives designated as cash flow hedges reclassified to cost of goods sold	$ (909,000)	$ (1,208,000)	$ (1,284,000)